Woodlynne School District Curriculum Guide Mathematics Grade 5 NOTE: The following pacing guide was developed during the creation of these curriculum units. The actual implementation of each unit may take more or less time. Time should also be dedicated to preparation for benchmark and State assessments, and analysis of student results on the same. A separate document is included at the end of this curriculum guide with suggestions and resources related to State Assessments. The material in this document should be integrated throughout the school year, and with an awareness of the State Testing Schedule. It is highly recommended that teachers meet throughout the school year to coordinate their efforts in implementing the curriculum and preparing students for benchmark and State Assessments with consideration for the district’s calendar. 1 Woodlynne School District Curriculum Guide Content Area: Mathematics Course Title: Grade 5 Math Grade Level: 5 Unit 1: Place Value, Multiplication and Expressions 4 weeks Unit 2: Divide Whole Numbers 3 weeks Unit 3: Add and Subtract Decimals 4 weeks Unit 4: Multiply Decimals 4 weeks Unit 5: Divide Decimals 3 weeks Unit 6: Adding and Subtracting Fractions 3 weeks 2 Unit 7: Multiply Fractions 3 weeks Unit 8: Dividing Fractions 3 weeks Unit 9: Algebra: Patterns and Graphing 3 weeks Unit 10: Convert Units of Measure 3 weeks Unit 11: Geometry and Volume 3 weeks Board Approved on: 9/9/14 3 Unit 1 Overview Content Area – Mathematics Unit 1: Place Value, Multiplication, and Expressions 6 Lessons/ Four Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will use operations and algebraic thinking to evaluate operations in base ten. Interdisciplinary Integration – Language Arts: Journal writing, open-ended response questions; Consumer Economics: real-world problem-solving. Technology Integration – SMART board, Document Camera, virtual manipulatives, Internet sites, EnVision Math Animated Software, calculator, i-Ready 21st Century Themes – Global awareness, financial, economic, business and entrepreneurial literacy 21st Century Skills – Creativity/innovation, information literacy, critical thinking/problem solving, communication and collaboration, life and career skills, media literacy Learning Targets Practice Standards: MP.1: Make sense of problems and persevere in solving them. MP.8: Look for and express regularity in repeated reasoning. Math Domain Standards: 5. OA.1: Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols. 5. OA.2: Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product 5. NBT.1: Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left. 5. NBT.2: Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. 5. NBT.5: Fluently multiply multi-digit whole numbers using the standard algorithm. 5. NBT.6: Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. 4 Unit Essential Questions How can you use place value, multiplication, and expressions to represent and solve problems? Goals/Objectives Students will be able to Write and interpret numerical expressions Understand the place value system Perform operations with multi-level whole numbers and with decimals to hundredths. Unit Enduring Understandings Reading, writing and representing whole numbers through millions, using properties and multiplication to solve problems and using expressions to represent and solve problems are all used in problem solving. Recommended Learning Activities/Instructional Strategies Evidence of Learning (Formative & Summative) Instructional Strategies Write the expression 6 x 14 on the board. Weekly quiz on place value, properties, powers of 10, Have students draw an array with 6 rows and multiplication patterns. and 14 columns on grid paper to model this product. Encourage students to see that they Unit test includes all skills on the quiz and multiply by can break apart the array into 10 columns one and two –digit numbers, relate multiplication to and 4 columns to make the product easier to division, numerical expressions, and grouping symbols. find. How is breaking apart the array helpful? Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other Draw a 6 by 6 grid on the board, with columns instrument and rows labeled as shown x 5 6 7 8 9 5 6 42 7 8 9 Model how to name a fact, and write the product on the table. Then have students provide other examples. Ask students to name a related division sentence. 42 divided by 6 = 7 Have students use counters or draw pictures to help them understand related multiplication and division sentences. Continue until table is complete. 5 Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. Terminology: base, distributive property, evaluate, exponent, inverse operation, numerical expression, order of operation, period 6 Unit 2 Overview Content Area – Mathematics Unit 2: Dividing Whole Numbers 4 Lessons/ Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will find whole number quotients and interpret a fraction as division of the numerator by the denominator. Interdisciplinary Integration – Language Arts: Journal writing, open-ended response questions; Consumer Economics: real-world problem-solving. Technology Integration – SMART board, Document Camera, virtual manipulatives, Internet sites, i-Ready 21st Century Themes – 21st Century Skills – Global awareness, financial, economic, business Creativity/innovation, information literacy, critical thinking/problem solving, and entrepreneurial literacy communication and collaboration, life and career skills, media literacy Learning Targets Practice Standards: MP.1: Make sense of problems and persevere in solving them. MP.4: Model with mathematics. MP.7: Look for and make use of structure. Math Domain Standards: 5. NBT.6: Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. 5. NF.3: Interpret a fraction as division of the numerator by the denominator (a/b = a ÷ b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. Unit Essential Questions How can you divide whole numbers? Unit Enduring Understandings Checking work, estimating for the reasonableness of quotients and identifying key words to know how to solve a problem are important strategies in evaluating problems. Terminology: compatible numbers, estimate, inverse operations, remainder 7 Goals/Objectives Students will be able to Perform operations with multi-digit whole numbers and with decimals to hundredths. Apply and extend previous understandings of multiplication and division to multiply and divide fractions. Recommended Learning Activities/Instructional Strategies Instructional Strategies On the board, write 75 divided by 5 and sketch a rectangle as shown: 75 divided by 5 = (40 + 35) divided by 5 8 + 7 5 40 35 To model 75 divided by 5, draw a rectangle. What is the next step? (Break 75 into multiples of 5 whose sum is 75) Distribute the 5 to 40 divided by 5 = 8 and 35 divided by 5 = 7 add 8 +7 to get the quotient of 15 Evidence of Learning (Formative & Summative) Weekly quiz on placing the first digit, dividing by onedigit divisor, two-digit divisor and adding partial quotients. Unit test includes all skills on the quiz and estimate and divide with two-digit divisors, interpret the remainder, and problem-solving division Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument Using 100 square flats, 10 square sticks and single square flats, Write 426 divided by 3. Students separate flats and sticks equally into three groups. There is one hundred flat left over. Regroup the 1 hundred as 10 tens. (There should be 142 in each group, therefore the quotient is 142. Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 8 Unit 3 Overview Content Area – Mathematics Unit 3: Add and Subtract Decimals 6 Lessons/ Four Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will demonstrate an understanding of decimal and whole number place value. Students will read, write, round, compare, add and subtract decimals. Interdisciplinary Integration – Language Arts: Journal writing, open-ended response questions; Consumer Economics: real-world problem-solving. Integration – SMART board, Document Camera, virtual manipulatives, i-Ready 21st Century Themes – Global awareness, financial, economic, business and entrepreneurial literacy 21st Century Skills – Creativity/innovation, information literacy, critical thinking/problem solving, communication and collaboration, life and career skills, media literacy Learning Targets Practice Standards: MP.3: Construct viable arguments and critique the reasoning of others. MP.8: Look for and express regularity in repeated reasoning. Math Domain Standards: 5. NBT.1: Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left. 5. NBT.3: Read, write, and compare decimals to thousandths. 5.NBT.3.a: Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000). 5. NBT.3.b: Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. 5. NBT.4: Use place value understanding to round decimals to any place. Unit Essential Questions How can you add and subtract decimals? Unit Enduring Understandings Understanding place value helps you add and subtract decimals. Various methods can be used to find decimal sums and differences. 9 Terminology: Sequence, term, thousandth, benchmark, estimate, hundredth, round, tenth Goals/Objectives Students will be able to Understand the place value system Perform operations with multi-digit whole numbers and decimals to hundredths Recommended Learning Activities/Instructional Strategies Instructional Strategies On the board, write the addition problem shown below. Have students find the sum by recording the regroupings above the addends. Have students use base-ten blocks to model the addition problem. Provide an example with subtraction of decimals. Use base-ten blocks to model the subtraction problem. Give each student 10 index cards and have them write a decimal up to thousandths on each card. Have partners combine their cards, shuffle them and then divide them into two equal piles. Each student takes a pile and keeps the cards facedown. Partners turn over their top card at the same time and compare the decimals. The student with the greater decimal keeps the cards. If two cards are of equal value, then each partner turns over one more card and compares. The card with the greater value takes all four cards. Play continues until one player has all the cards. Evidence of Learning (Formative & Summative) Weekly quiz on place value of decimals, comparing and ordering decimals, rounding decimals. Unit test on all skills from quiz and estimating decimal sums and differences, adding and subtracting decimals, pattern with decimals, adding and subtracting money, and problem solving – choose a method. Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 10 Unit 4 Overview Content Area – Mathematics Unit 4: Multiply Decimals 6 Lessons/ Four Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will explain patterns in the number of zeros of a product and placement of the decimal point when multiplying or dividing by powers of 10. Students will multiply decimals to hundredths using various methods. Interdisciplinary Integration – Language Arts: Journal writing, open-ended response questions; Consumer Economics: real-world problem-solving. Technology Integration – SMART board, Document Camera, virtual manipulative, Internet sites, accelerated math, calculator, study island 21st Century Themes – 21st Century Skills – Global awareness, financial, economic, business Creativity/innovation, information literacy, critical thinking/problem solving, and entrepreneurial literacy communication and collaboration, life and career skills, media literacy Learning Targets Practice Standards: MP.7: Look for and make use of structure. MP.8: Look for and express regularity in repeated reasoning. Math Domain Standards: 5. NBT.2: Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. 5.NBT.7: Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. 11 Unit Essential Questions How can you solve decimal multiplication problems? Unit Enduring Understandings Multiplying with whole numbers is similar to multiplying with decimals. Pattern, models and drawings help you solve decimal multiplication problems. Terminology: decimal, expanded form, hundredths ,multiplication, ones, patterns, place value, product, tenths, thousandths Goals/Objectives Students will be able to Understand the place value system Perform operations with multi-digit whole numbers and decimals to hundredths Recommended Learning Activities/Instructional Strategies Instructional Strategies A 10 x 10 grid can be used to model 1.0, where each square on the grid represents onehundredth. For example, 0.2 x 1.5. Two grids are used to model this problem. Use a blue crayon to shade 1.5 on the model. Use a red crayon to shade 0.2 of the blue hundredths. The result is 30 hundredths shaded purple. So, 0.2 x 1.5 = 0.30 Present the problem 4.92 x 1,000 to students along with the pattern shown below. Ask then to underline and count the number of zeros for each factor that is a power of 10. Explain to students that the number of zeros they underlined and the number of places the decimal point moves from the original factor or 4.92 is the same. Repeat with different examples. 12 Evidence of Learning (Formative & Summative) Weekly Quiz on multiplication patterns, multiplying decimals and whole numbers, multiplying with expanded form, and multiplying money. Unit test on all of the skills from the quiz and zeros in the product. Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument 4.92 x 1 = 4.92 4.92 x 10 = 49.2 4.92 x 100 = 492 4.92 x 1,000 = 4,920 Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 13 Unit 5 Overview Content Area – Mathematics Unit 5: Divide Decimals 4 Lessons/ Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will add, subtract, multiply and divide decimals to hundredths using various strategies. Students will explain patterns in multiplying and dividing with powers of ten. Interdisciplinary Integration – Language Arts: Journal writing, open-ended response questions; Consumer Economics: real-world problem-solving. Technology Integration – SMART board, Document Camera, virtual manipulative, i-Ready 21st Century Themes – Global awareness, financial, economic, business and entrepreneurial literacy 21st Century Skills – Creativity/innovation, information literacy, critical thinking/problem solving, communication and collaboration, life and career skills, media literacy Learning Targets Practice Standards: MP.4: Model with mathematics. MP.7: Look for and make use of structure. Math Domain Standards: 5. NBT.2: Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. 5.NBT.7: Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. 5. NF.3: Interpret a fraction as division of the numerator by the denominator (a/b = a ÷ b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. Unit Essential Questions How can you solve decimal division problems? Unit Enduring Understandings Dividing with decimals is similar to dividing with whole numbers Patterns, models and drawings help you solve decimal division problems Terminology: compatible numbers, decimal, decimal point, dividend, division, divisor, estimate, hundredth, tenth 14 Goals/Objectives Students will be able to Understand the place value system Perform operations with multi-digit whole numbers and with decimals to hundredths Recommended Learning Activities/Instructional Strategies Instructional Strategies Give each pair of Students 1 flat, and explain that it represents one whole. Have students exchange 1 flat for 10 longs and explain that each long represents one tenth of a whole. Write “one tenth = 0.1” on the board so students recall how to use a decimal point correctly. Write these division problems on the board: 1/1 = 1 1/2 = 0.5 1/5 = 0.2 1/10 = 0.1 (use the division sign) Have students model each problem by separating 10 longs into equal groups. The number of longs in each group is the quotient. Work with students to count the longs in each group by tenths. For example, students should count 2 longs as one-tenth, two-tenths. Have volunteers come to the board to write the solution for each problem. Show students 1 whole by displaying 1 flat on a piece of paper. Label it 1.0. Provide students with 10 longs. Allow students time to line up longs on top of the flat to determine how many longs are equivalent to 1 whole. How many longs are needed to make 1 whole? (ten) What part of the whole does one long represent? (one tenth) Display one long and label it 0.1. Have a volunteer model 0.5 using 5 longs. Have students repeat this activity modeling numbers from 0.1 through 2.0. Provide assistance to individual students as needed 15 Evidence of Learning (Formative & Summative) Weekly Quiz on division patterns with decimals, dividing decimals by whole numbers, and estimating quotients. Unit test on all of the skills from the quiz and dividing decimals, writing zeros in the dividend, and problemsolving with decimal operations. Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 16 Unit 6 Overview Content Area – Mathematics Unit 6: Add and Subtract Fractions with Unlike Denominators 4 Lessons/ Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will be able to develop fluency with addition and subtraction of fractions. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration –SMART board, projector, virtual manipulatives, and i-Ready 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.2: Reason abstractly and quantitatively. MP.4: Model with mathematics. Math Domain Standards: 5. NF.1: Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. 5. NF.2: Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. Unit Essential Questions How can you add and subtract fractions with unlike denominators? How can the ability to recognize the meanings of operations and how they relate to one another help solve real world mathematical problems? Unit Enduring Understandings Models are used to help to find sums and differences of fractions. The least common denominator is used when adding and subtracting fractions. Understanding of the number system helps to solve real world problems. Computational fluency requires efficient, accurate, and flexible methods for computing. Terminology: common denominator, common multiple, equivalent fractions, mixed number, simplest form 17 Goals/Objectives Students will be able to Use equivalent fractions as a strategy to add and subtract fractions. Recommended Learning Activities/Instructional Strategies Instructional Strategies Think Pair Share Activity: Number Line Activity – Use a number line to model like fraction sums. Write 8/10 + 6/10 on the board and have pair of students sketch a number line from 0 to 2 by fifths. Have students describe two different ways the number line can be used to find 8/10 + 6/10. Ask what operation is used to write equivalent fractions for tenths to fractions in fifths. (division) Ask what operation is used to write equivalent fractions for fifths to fractions in tenths. (multiplication) Show process of adding unlike fractions using number line with: http://www.visualfractions.com/AddUnlike/add unlike.html Think Pair Share Activity: Fraction Strips Activity – Use fraction strips to model like fraction sums and differences. Distribute fraction strips for sixths to each pair of students. Write 2/6 + 3/6 on the board. Have students use fraction strips to follow along as you add and name the sum 5/6. Explain how paper and pencil are used to find the sum of two fractions that have the same denominator. (common denominator) Write 5/6 – 4/6 on the board. Have the students use fraction strips to follow along as you subtract and name the difference. (1/6) Explain how you record the difference by writing the numerators over the common denominator. Then put ½ + ¼ and 6/10 – 2/5 on the board. Ask the students to add or subtract the fractions and model it using 18 Evidence of Learning (Formative & Summative) Weekly quiz on adding and subtracting fractions Chapter test on adding and subtracting fractions Constructed Response Performance Task with grading rubric Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument their fraction bars. Ask the pairs to explain to their classmates how they obtained their answer. (obtain a common denominator) Fraction Song – Print out lyrics to fractions song for each student. Let them listen to the song them replay the song and have the students sing along. The tune is to Jingle Bells. Song and lyrics located at: http://www.harcourtschool.com/jingles/jingles_ all/35how_easy_is_that.html Think Pair Share Activity: Pattern Blocks – Use pattern blocks to model subtraction of fractions. Model the two fractions with common denominators to be subtracted with pattern blocks. Name the fraction for the difference. Have the students summarize with a partner how to subtract fractions with the same denominator. Be sure to point out that when subtracting fractions that have the same denominator, just subtract the numerators and keep the same denominator. Ask the children how they would use pattern blocks to solve 2/3 – 1/6. After a few minutes, have the children share their approaches. Model both fractions with pattern blocks. Lay the blocks representing the smaller fraction on top of the blocks representing the larger fraction. Explain that the part of the larger fraction that remains uncovered is the difference. Another method to model is the take away method. Here, you need to model the larger fraction with pattern blocks. Then take away the blocks representing the smaller fraction, trading for pattern blocks of the proper 19 size if necessary. The remaining pattern blocks represent the difference. Have the students summarize with a partner how to subtract fractions with different denominators. Continue to have students to work in partners to solve fraction subtraction problems. Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 20 Unit 7 Overview Content Area – Mathematics Unit 7: Multiplying Fractions 4 Lessons/ Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will be able to develop fluency with multiplying fractions. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration – i-Ready Math, SMART board, projector, virtual manipulatives, and Internet 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.3: Construct viable arguments and critique the reasoning of others. MP.5: Use appropriate tools strategically. Math Domain Standards: 5. NF.4: Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction. 5. NF.4.a: Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. 5. NF.4.b: Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas. 5.NF.5: Interpret multiplication as scaling (resizing), by: 5. NF.5.a: Comparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication. 5. NF.5.b: Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence a/b = (n×a)/(n×b) to the effect of multiplying a/b by 1. 5. NF.6: Solve real world problems involving multiplication of fractions and mixed numbers, e.g., by using visual fraction models or equations to represent the problem. 21 Unit Essential Questions How do you multiply fractions? How can you use a model to show the multiplication of fractions? How does the size of the product compare to the size of one factor when multiplying fractions? How can the ability to recognize the meanings of operations and how they relate to one another help solve real world mathematical problems? Unit Enduring Understandings Models can be used to represent the product of fractions. The magnitude of numbers affects the outcome of operations on them. Understanding of the number system helps to solve real world problems. Computational fluency requires efficient, accurate, and flexible methods for computing. Terminology: denominator, equivalent fractions, mixed number, numerator, product, simplest form 22 Goals/Objectives Students will be able to - Recommended Learning Activities/Instructional Strategies Apply and extend previous understanding of multiplication of whole numbers to multiplying fractions. Instructional Strategies Think Pair Share Activity: Model Concept Demonstrate how to use an area model to show the product of ¼ x ½ by folding and shading paper. Explain each step in the process and how you obtain a product of 1/8. Then have the students model the same problem. Have them wire the answer and share their responses with the group. Repeat with other problems asking each pair to answer: Into how many equal parts will we fold the paper vertically? How many parts will we shade to represent each factor? In to how many equal parts will we fold the paper horizontally? How many equal parts are there in the whole paper now? Play an “I Have, Who Has” game. I Have ... Who Has? games can be created for virtually any topic and used as both a whole class practice or a center activity for small groups. Create cards with fraction multiplication problems on them. On the top of the card write: “I have” then the answer to a fraction multiplication problem. Below the problem, write “Who has”. Underneath this, write out a fraction multiplication problem. How to Play: Shuffle the cards and distribute one card to each student. If any cards are left over distribute these to random students. The first student begins with "I have ... Who has" while the others listen for the question and try to find the answer that on their card. The student with the correct answer reads the “I have” portion and begins the next round by reading the “Who 23 Evidence of Learning (Formative & Summative) Grade Level quiz on multiplying fractions Grade Level chapter test on multiplying fractions Constructed Response Performance Task with grading rubric Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument has” on the same card. Play continues until the last card is read. As students develop confidence with the game a stop watch can be used to time a round. Record the time on the board so that students try each game to beat their current best time. When using the cards as a math center activity one student deals out the cards to all players. Players arrange the cards face-up in front of them. Play continues as in the class game. Whoever has the card that answers the question reads that answer and then reads the question on their card. Students turn over the cards after reading them. The first person to turn over all of his/her cards wins the game. Cards can be shuffled and the game repeated. Recipe Activity – Provide a recipe for a healthy trail mix that serves 10 people which involves fractions. Ask the students what you should do if you need to serve 20 people, 10 people, 5 people, etc. Students should respond with multiply or divide the ingredients. Distribute the recipe and ask the students to halve the amount to make enough for 5 people by multiplying each ingredient by 1/2. After students answers are checked, have stations set up so groups of 4 or 5 students can actually create the trail mixture by measuring ingredients using measuring cups and measuring spoons for their group to enjoy. 24 Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit., www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 25 Unit 8 Overview Content Area – Mathematics Unit 8: Dividing Fractions 4 Lessons/Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will be able to develop fluency with multiplying fractions. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration – Accelerated Math, SMART board, Document Camera, virtual manipulatives, and Internet, i-Ready 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.2: Reason abstractly and quantitatively. MP.4: Model with mathematics. Math Domain Standards: 5. NF.3: Interpret a fraction as division of the numerator by the denominator (a/b = a ÷ b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. 5. NF.7: Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions. 5. NF.7.a: Interpret division of a unit fraction by a non-zero whole number, and compute such quotients. 5. NF.7.b: Interpret division of a whole number by a unit fraction, and compute such quotients. 5. NF.7.c: Solve real world problems involving division of unit fractions by non-zero whole numbers and division of whole numbers by unit fractions, e.g., by using visual fraction models and equations to represent the problem. Unit Essential Questions How do you divide fractions? How can you use a model to show the division of fractions? How does the size of the quotient compare to the size of the original number? Unit Enduring Understandings Models can be used to represent the quotient of fractions. The magnitude of numbers affects the outcome of operations on them. Understanding of the number system helps to solve real world problems. Computational fluency requires efficient, accurate, and flexible methods for computing. 26 How can the ability to recognize the meanings of operations and how they relate to one another help solve real world mathematical problems? Terminology: dividend, equation, fraction, quotient, whole number 27 Goals/Objectives Students will be able to Apply and extend previous understanding of multiplication and division of whole number to dividing fractions. Recommended Learning Activities/Instructional Strategies Instructional Strategies Fraction Dominos - To make the game: divide 28 index cards in half by drawing a line down the center of each card. Write fractions, mixed numbers, and whole numbers on the cards. For example, one card might show 1/2 on one side and 1 1/3 on the other side. Be sure to include matches. If you make a card that says 1/3 and 4/5, you should also make cards that say 1/3 and 6/9 or 4/5 and 8/12. You may also wish to make doubles (1/3 and 1/3 on a card). Follow the general directions for playing dominos with the exception that players will divide the numbers on the domino they place on the table. For example, if your turn starts with a domino that says 1/3 and 1/3 on the table, you may lay down a domino with 1/3 and 1. However, before you can play, you will divide 1/3 by 1. If you get the correct answer, you may lay down the domino. Picture This Activity - Copy one expression from below onto each index card. Shuffle the cards and lay them face down. Turn over the first card. All group members then use the grid paper to draw a picture for the division problem. Draw either a Geo-board picture of the problem or try to find a unique way to draw the quotient. When you have drawn a picture of the problem, find each quotient. When all group members are done, compare drawings and answers. Discuss which drawing was the most unique and which drawing was the easiest to understand. Play several rounds or play until all the cards have been used. Share with the entire class some of your group's unique ideas. Expressions to be included on index cards: 1/2 28 Evidence of Learning (Formative & Summative) Weekly quiz on dividing fractions Unit chapter test on dividing fractions Constructed Response Performance Task with grading rubric Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument ÷ 1/6, 3/4 ÷ 1/12, 2 ÷ 1/3, 5/6 ÷ 1/12, 1/2 ÷1/10, 1 ÷ 1/8, 2/3 ÷ 1/9, 3/8 ÷ 1/16, 5/7 ÷ 1/14, 4/5 ÷ 1/15 Diverse Learners (ELL, Special Ed, Gifted & Talented)-Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 29 Unit 9 Overview Content Area – Mathematics Unit 9: Algebra: Patterns and Graphing 4 Lessons/Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will understand how to describe, extend, and create a wide variety of patterns and functional relationships. Students will understand how to collect, organize, and display relevant data to answer questions. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration – i-Ready, SMART board, projector, virtual manipulatives, and Internet 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.4: Model with mathematics. MP.8: Look for and express regularity in repeated reasoning. Math Domain Standards: 5. OA.3: Generate two numerical patterns using two given rules. Identify apparent relationships between corresponding terms. Form ordered pairs consisting of corresponding terms from the two patterns, and graph the ordered pairs on a coordinate plane. 5. MD.2: Make a line plot to display a data set of measurements in fractions of a unit (1/2, 1/4, 1/8). Use operations on fractions for this grade to solve problems involving information presented in line plots. 5. G.1: Use a pair of perpendicular number lines, called axes, to define a coordinate system, with the intersection of the lines (the origin) arranged to coincide with the 0 on each line and a given point in the plane located by using an ordered pair of numbers, called its coordinates. Understand that the first number indicates how far to travel from the origin in the direction of one axis, and the second number indicates how far to travel in the direction of the second axis, with the convention that the names of the two axes and the coordinates correspond (e.g., x-axis and x-coordinate, y-axis and y-coordinate). 5. G.2: Represent real world and mathematical problems by graphing points in the first quadrant of the coordinate plane, and interpret coordinate values of points in the context of the situation. 30 Unit Essential Questions Why is it important to look for a pattern? What can we learn from looking at patterns? What are data sets, how are they graphed, and what can we learn from them? Unit Enduring Understandings Patterns and relationships can be used to describe and quantify physical relationships. Patterns and relationships can be represented graphically, numerically, symbolically or verbally. Data analysis is formulating questions that can be addressed, explored, and synthesized with relevant information. Terminology: interval, line graph, ordered pair, origin, scale, x-axis, x-coordinate, y-axis, y-coordinate 31 Goals/Objectives Students will be able to Analyze patterns and relationships. Recommended Learning Activities/Instructional Strategies Instructional Strategies Treasures Activity – Give each student in a pair a copy of a quadrant I grid. Have one student hid their grid from their partner while he or she colors two consecutive squares on their own grid. Have students color two more pairs of squares. The colored areas are “treasures.” The other student leaves his or her sheet blank until the game begins. Once the treasurers are hidden, the game can begin. The student that did not color his or her grid calls out ordered pairs. If the ordered pair lies on the border of a colored “treasure” square, the partner should say, “You found a treasure.” That student then plots that point on his or her grid. When a player finds all the points forming the treasure, that player gets the treasure. The winner of the game is the first student to get all three of his or her partner’s treasures. Student Height Data Activity – Prior to using this activity, measure each student’s height in inches using mixed numbers. Compile the data and hand it out to the students. Ask the students to represent the data on a line plot. (You may need to provide assistance setting up the increments.) Ask questions along the way such as: How can a line plot help you organize this information? How many Xs should there be in your line plot? For which amount does your line plot show the greatest number of occurrences? How would you use this information to find the mean or average or the data? 32 Evidence of Learning (Formative & Summative) Weekly quiz on line plots, ordered pairs, and graphing data Unit chapter test on including all skills on the quiz and line graphs, numerical patterns, as well as analyzing relationships Constructed Response Performance Task with grading rubric Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 33 Unit 10 Overview Content Area – Mathematics Unit 10: Convert Units of Measure 4 Lessons/Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will convert among different measurement units within a given measurement system. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration – i-Ready, SMART board, Document Camera, and virtual manipulatives. 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.1: Make sense of problems and persevere in solving them. MP.7: Look for and make use of structure. Math Domain Standards: 5. MD.1: Convert among different-sized standard measurement units within a given measurement system (e.g., convert 5 cm to 0.05 m), and use these conversions in solving multi-step, real world problems. Unit Essential Questions What strategies can you use to compare and covert measurements? Unit Enduring Understandings Deciding whether to multiply or divide is the first step to converting measurements. Organize your solution when you are solving a multistep measurement problem. Converting metric measurements is different from converting customary measurements. Terminology: capacity, decimeter, decameter, milligram, milliliter, millimeter 34 Goals/Objectives Students will be able to Convert like measurement units within a given measurement system. Recommended Learning Activities/Instructional Strategies Evidence of Learning (Formative & Summative) Instructional Strategies Materials: 2 cup, 2 quart, and 2 gallon containers, rice or beans Point to the cup and the quart containers. Do you think it will take more cups or quarts to fill the gallon? (cups) Have volunteers pour cups and cup of beans or rice into two different gallon containers. Why did it take more cups? (Cups are smaller units that quarts.) Point to the cup and gallon containers. If you convert cups to gallons, will you need more or fewer gallons? (fewer) Will you multiply or divide? (divide) Repeat the activity for converting cups to quarts, quarts to cups, gallons to cups, and so on. Have students make a table of ordered pairs like the one shown below for two units of measure. Students line graph the relationship between the two units and draw a line though the points. cups 1 2 4 6 8 10 fl. oz 16 32 48 64 80 8 Other units that can be tabled and graphed are cups to pints, quarts to gallons, fluid ounces to cups, quarts to cups, gallons to pints and fluid ounces to pints. 35 Weekly quiz on customary length, customary capacity, weight and multistep word problems. Unit test on all skills on the quiz and metric measures, problem solving with customary and metric conversions and elapsed time. Alternative or project-based assessments will be evaluated using a teacher-selected or created rubric or other instrument Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 36 Unit 11 Overview Content Area – Mathematics Unit 11: Geometry and Volume 4 Lessons/Three Weeks Target Course/Grade Level – Grade 5 Math Unit Summary and Rationale – Students will classify polygons. Students will measure volume by counting cubes and relate volume with operations of multiplication and addition. Interdisciplinary Integration – Language Arts: journal writing; open-ended extended response questions; Consumer Economics: real world problem solving Technology Integration – i-Ready, SMART board, Document Camera, virtual manipulatives, and I-Ready 21st Century Themes – Global Awareness, Financial Economic, Business and Entrepreneurial Literacy, Environmental Literacy 21st Century Skills – Critical Thinking/Problem Solving, Communication & Collaboration, Life & Career Skills Learning Targets Practice Standards: MP.4: Model with mathematics. MP.5: Use appropriate tools strategically. MP.6: Attend to precision. Math Domain Standards: 5. MD.3: Recognize volume as an attribute of solid figures and understand concepts of volume measurement. 5. MD.3.a: A cube with side length 1 unit, called a "unit cube," is said to have "one cubic unit" of volume, and can be used to measure volume. 5. MD.3.b: A solid figure which can be packed without gaps or overlaps using n unit cubes is said to have a volume of n cubic units. 5. MD.4: Measure volumes by counting unit cubes, using cubic cm, cubic in, cubic ft, and improvised units. 5. MD.5: Relate volume to the operations of multiplication and addition and solve real world and mathematical problems involving volume. 5. MD.5.a: Find the volume of a right rectangular prism with whole-number side lengths by packing it with unit cubes, and show that the volume is the same as would be found by multiplying the edge lengths, equivalently by multiplying the height by the area of the base. Represent threefold whole-number products as volumes, e.g., to represent the associative property of multiplication. 5.MD.5.b: Apply the formulas V = l × w × h and V = b × h for rectangular prisms to find volumes of right rectangular prisms with wholenumber edge lengths in the context of solving real world and mathematical problems. 5. MD.5.c: Recognize volume as additive. Find volumes of solid figures composed of two non-overlapping right rectangular prisms by adding the volumes of the non-overlapping parts, applying this technique to solve real world problems. 5. G.3: Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. 5. G.4: Classify two-dimensional figures in a hierarchy based on properties. 37 Unit Essential Questions Unit Enduring Understandings How do unit cubes help you build solid figures and Identifying, describing and classifying three dimensional figures will help you understand the volume of a rectangular prism? differentiate between them. Identifying the measure of the dimensions of a rectangular prism will help you find its volume. Terminology: base, congruent, lateral face, polygon, polyhedron, prism, regular polygon, unit cube, volume 38 Goals/Objectives Students will be able to Understand concepts of volume and relate volume to multiplication and to addition. Classify twodimensional figures into categories based on their properties. Recommended Learning Activities/Instructional Strategies Evidence of Learning (Formative & Summative) Instructional Strategies Materials: centimeter cubes Weekly Quiz on polygons, triangles, quadrilaterals, problem solving properties of two dimensional figures, Review volume. Ask students to explain the and three dimensional figures. term and how it is measured. Can a triangle have volume? (no it is not a solid figure) Review the fact that a rectangular prism Unit test on all skills from quiz and unit cubes and is a solid figure with six rectangular faces. solid figures, understanding volume, estimating volume, volume of rectangular prisms, applying Name some real-world examples of rectangular volume formulas, and finding volume of composed prisms. (cereal boxes, tissue box number cubes) figures. Give each pair of student’s 36 centimeter cubes. Have students build rectangular prisms each with a volume of 36 cubic units. Ask Alternative or project-based assessments will be evaluated students to record the length, width and height using a teacher-selected or created rubric or other of each prism. After pairs have built several instrument prisms, make a table showing the lengths, widths and heights of the prisms. What is the product of the length, width and height of each prism? 36 Help students see that the product of the length, width and height of each prism is equal to the number of cubes needed to build the prism. Provide students with nets for various prisms and pyramids, without the names of the figures. Have pairs predict the shape each net will make based on the number of faces and the shape of the bases. Then have each pair assemble one net and discuss the final shape. Ask students to compare their predictions to the final figure and identify the polyhedron. 39 Diverse Learners (ELL, Special Ed, Gifted & Talented)- Differentiation strategies may include, but are not limited to, learning centers and cooperative learning activities in either heterogeneous or homogeneous groups, depending on the learning objectives and the number of students that need further support and scaffolding, versus those that need more challenge and enrichment. Modifications may also be made as they relate to the special needs of students in accordance with their Individualized Education Programs (IEPs) or 504 plans, or English Language Learners (ELL). These may include, but are not limited to, extended time, copies of class notes, refocusing strategies, preferred seating, study guides, and/or suggestions from special education or ELL teachers. Resources - Envision Math Teacher Edition, EnVision Student Practice Editions, EnVison Math Enrichment Edition, EnVision Animated Math Models, EnVision Math Center and Manipulative Kit.,www.brainpop.com, www.coolmath.com, & www.khanacadamy.com. 40 Mathematics: Standards for Mathematical Practice The Standards for Mathematical Practice describe varieties of expertise that mathematics educators at all levels should seek to develop in their students. These practices rest on important “processes and proficiencies” with longstanding importance in mathematics education. The first of these are the NCTM process standards of problem solving, reasoning and proof, communication, representation, and connections. The second are the strands of mathematical proficiency specified in the National Research Council’s report Adding It Up: adaptive reasoning, strategic competence, conceptual understanding (comprehension of mathematical concepts, operations and relations), procedural fluency (skill in carrying out procedures flexibly, accurately, efficiently and appropriately), and productive disposition (habitual inclination to see mathematics as sensible, useful, and worthwhile, coupled with a belief in diligence and one’s own efficacy). 1 Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, “Does this make sense?” They can understand the approaches of others to solving complex problems and identify correspondences between different approaches. 2 Reason abstractly and quantitatively. Mathematically proficient students make sense of the quantities and their relationships in problem situations. Students bring two complementary abilities to bear on problems involving quantitative relationships: the ability to decontextualize—to abstract a given situation and represent it symbolically and manipulate the representing symbols as if they have a life of their own, without necessarily attending to their referents—and the ability to contextualize, to pause as needed during the manipulation process in order to probe into the referents for the symbols involved. Quantitative reasoning entails habits of creating a coherent representation of the problem at hand; considering the units involved; attending to the meaning of quantities, not just how to compute them; and knowing and flexibly using different properties of operations and objects. 41 3 Construct viable arguments and critique the reasoning of others. Mathematically proficient students understand and use stated assumptions, definitions, and previously established results in constructing arguments. They make conjectures and build a logical progression of statements to explore the truth of their conjectures. They are able to analyze situations by breaking them into cases, and can recognize and use counterexamples. They justify their conclusions, communicate them to others, and respond to the arguments of others. They reason inductively about data, making plausible arguments that take into account the context from which the data arose. Mathematically proficient students are also able to compare the effectiveness of two plausible arguments, distinguish correct logic or reasoning from that which is flawed, and—if there is a flaw in an argument— explain what it is. Elementary students can construct arguments using concrete referents such as objects, drawings, diagrams, and actions. Such arguments can make sense and be correct, even though they are not generalized or made formal until later grades. Later, students learn to determine domains to which an argument applies. Students at all grades can listen or read the arguments of others, decide whether they make sense, and ask useful questions to clarify or improve the arguments. 4 Model with mathematics. Mathematically proficient students can apply the mathematics they know to solve problems arising in everyday life, society, and the workplace. In early grades, this might be as simple as writing an addition equation to describe a situation. In middle grades, a student might apply proportional reasoning to plan a school event or analyze a problem in the community. By high school, a student might use geometry to solve a design problem or use a function to describe how one quantity of interest depends on another. Mathematically proficient students who can apply what they know are comfortable making assumptions and approximations to simplify a complicated situation, realizing that these may need revision later. They are able to identify important quantities in a practical situation and map their relationships using such tools as diagrams, two-way tables, graphs, flowcharts and formulas. They can analyze those relationships mathematically to draw conclusions. They routinely interpret their mathematical results in the context of the situation and reflect on whether the results make sense, possibly improving the model if it has not served its purpose. 5 Use appropriate tools strategically. Mathematically proficient students consider the available tools when solving a mathematical problem. These tools might include pencil and paper, concrete models, a ruler, a protractor, a calculator, a spreadsheet, a computer algebra system, a statistical package, or dynamic geometry software. Proficient students are sufficiently familiar with tools appropriate for their grade or course to make sound decisions about when each of these tools might be helpful, recognizing both the insight to be gained and their limitations. For example, mathematically proficient high school students analyze graphs of functions and solutions generated using a graphing calculator. They detect possible errors by strategically using estimation and other mathematical knowledge. When making mathematical models, they know that technology can enable them to visualize the results of varying assumptions, explore consequences, and compare predictions 42 with data. Mathematically proficient students at various grade levels are able to identify relevant external mathematical resources, such as digital content located on a website, and use them to pose or solve problems. They are able to use technological tools to explore and deepen their understanding of concepts. 6 Attend to precision. Mathematically proficient students try to communicate precisely to others. They try to use clear definitions in discussion with others and in their own reasoning. They state the meaning of the symbols they choose, including using the equal sign consistently and appropriately. They are careful about specifying units of measure, and labeling axes to clarify the correspondence with quantities in a problem. They calculate accurately and efficiently, express numerical answers with a degree of precision appropriate for the problem context. In the elementary grades, students give carefully formulated explanations to each other. By the time they reach high school they have learned to examine claims and make explicit use of definitions. 7 Look for and make use of structure. Mathematically proficient students look closely to discern a pattern or structure. Young students, for example, might notice that three and seven more is the same amount as seven and three more, or they may sort a collection of shapes according to how many sides the shapes have. Later, students will see 7 × 8 equals the well-remembered 7 × 5 + 7 × 3, in preparation for learning about the distributive property. In the expression x2 + 9x + 14, older students can see the 14 as 2 × 7 and the 9 as 2 + 7. They recognize the significance of an existing line in a geometric figure and can use the strategy of drawing an auxiliary line for solving problems. They also can step back for an overview and shift perspective. They can see complicated things, such as some algebraic expressions, as single objects or as being composed of several objects. For example, they can see 5 – 3(x – y)2 as 5 minus a positive number times a square and use that to realize that its value cannot be more than 5 for any real numbers x and y. 8 Look for and express regularity in repeated reasoning. Mathematically proficient students notice if calculations are repeated, and look both for general methods and for shortcuts. Upper elementary students might notice when dividing 25 by 11 that they are repeating the same calculations over and over again, and conclude they have a repeating decimal. By paying attention to the calculation of slope as they repeatedly check whether points are on the line through (1, 2) with slope 3, middle school students might abstract the equation (y – 2)/(x – 1) = 3. Noticing the regularity in the way terms cancel when expanding (x – 1)(x + 1), (x – 1)(x2 + x + 1), and (x – 1)(x3 + x2 + x + 1) might lead them to the general formula for the sum of a geometric series. As they work to solve a problem, mathematically proficient students maintain oversight of the process, while attending to the details. They continually evaluate the reasonableness of their intermediate results. 43 Common Core Standards Mathematics | Grade 5 In Grade 5, instructional time should focus on three critical areas: (1) developing fluency with addition and subtraction of fractions, and developing understanding of the multiplication of fractions and of division of fractions in limited cases (unit fractions divided by whole numbers and whole numbers divided by unit fractions); (2) extending division to 2-digit divisors, integrating decimal fractions into the place value system and developing understanding of operations with decimals to hundredths, and developing fluency with whole number and decimal operations; and (3) developing understanding of volume. (1) Students apply their understanding of fractions and fraction models to represent the addition and subtraction of fractions with unlike denominators as equivalent calculations with like denominators. They develop fluency in calculating sums and differences of fractions, and make reasonable estimates of them. Students also use the meaning of fractions, of multiplication and division, and the relationship between multiplication and division to understand and explain why the procedures for multiplying and dividing fractions make sense. (Note: this is limited to the case of dividing unit fractions by whole numbers and whole numbers by unit fractions.) (2) Students develop understanding of why division procedures work based on the meaning of base-ten numerals and properties of operations. They finalize fluency with multi-digit addition, subtraction, multiplication, and division. They apply their understandings of models for decimals, decimal notation, and properties of operations to add and subtract decimals to hundredths. They develop fluency in these computations, and make reasonable estimates of their results. Students use the relationship between decimals and fractions, as well as the relationship between finite decimals and whole numbers (i.e., a finite decimal multiplied by an appropriate power of 10 is a whole number), to understand and explain why the procedures for multiplying and dividing finite decimals make sense. They compute products and quotients of decimals to hundredths efficiently and accurately. (3) Students recognize volume as an attribute of three-dimensional space. They understand that volume can be measured by finding the total number of same-size units of volume required to fill the space without gaps or overlaps. They understand that a 1-unit by 1unit by 1-unit cube is the standard unit for measuring volume. They select appropriate units, strategies, and tools for solving problems that involve estimating and measuring volume. They decompose three-dimensional shapes and find volumes of right rectangular prisms by viewing them as decomposed into layers of arrays of cubes. They measure necessary attributes of shapes in order to determine volumes to solve real world and mathematical problems. 44 Grade 5 Overview Operations and Algebraic Thinking Write and interpret numerical expressions. Analyze patterns and relationships. Number and Operations in Base Ten Number and Operations— Fractions Measurement and Data Geometry Understand the place value system. Perform operations with multi-digit whole numbers and with decimals to hundredths. 1. 2. 3. Use equivalent fractions as a strategy to add and subtract fractions. Apply and extend previous understandings of multiplication and division to multiply and divide fractions. 4. Convert like measurement units within a given measurement system. Represent and interpret data. Geometric measurement: Understand concepts of volume and relate volume to multiplication and to addition. 8. Graph points on the coordinate plane to solve real world and mathematical problems. Classify two-dimensional figures into categories based on their properties. 45 5. 6. 7. Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Construct viable arguments and critique the reasoning of others. Model with mathematics. Use appropriate tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. Mathematic al Practices Operations and Algebraic Thinking 5.OA Write and interpret numerical expressions. 1. Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols. 2. Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 (8 + 7). Recognize that 3 (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product. Analyze patterns and relationships. 3. Generate two numerical patterns using two given rules. Identify apparent relationships between corresponding terms. Form ordered pairs consisting of corresponding terms from the two patterns, and graph the ordered pairs on a coordinate plane. For example, given the rule “Add 3” and the starting number 0, and given the rule “Add 6” and the starting number 0, generate terms in the resulting sequences, and observe that the terms in one sequence are twice the corresponding terms in the other sequence. Explain informally why this is so. Number and Operations in Base Ten 5.NBT Understand the place value system. 1. Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left. 2. Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. 46 Read, write, and compare decimals to thousandths. a. Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 100 + 4 10 + 7 1 + 3 (1/10) + 9 (1/100) + 2 (1/1000). b. Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. 4. Use place value understanding to round decimals to any place. 3. Perform operations with multi-digit whole numbers and with decimals to hundredths. 5. Fluently multiply multi-digit whole numbers using the standard algorithm. 6. Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. 7. Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Number and Operations—Fractions 5.NF Use equivalent fractions as a strategy to add and subtract fractions. 1. Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.) 2. Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2. Apply and extend previous understandings of multiplication and division to multiply and divide fractions. 3. Interpret a fraction as division of the numerator by the denominator (a/b = a b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. For example, interpret 3/4 as the result of dividing 3 by 4, noting that 3/4 multiplied by 4 equals 3, and that when 3 wholes are shared equally among 4 people each person has a share of size 3/4. If 9 people want to share a 50-pound sack of rice equally by weight, how many pounds of rice should each person get? Between what two whole numbers does your answer lie? 47 4. Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction. a. Interpret the product (a/b) q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a q ÷ b. For example, use a visual fraction model to show (2/3) 4 = 8/3, and create a story context for this equation. Do the same with (2/3) (4/5) = 8/15. (In general, (a/b) (c/d) = ac/bd.) b. Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas. 5. Interpret multiplication as scaling (resizing), by: a. Comparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication. b. Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence a/b = (na)/(nb) to the effect of multiplying a/b by 1. 6. Solve real world problems involving multiplication of fractions and mixed numbers, e.g., by using visual fraction models or equations to represent the problem. 7. Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions.1 a. Interpret division of a unit fraction by a non-zero whole number, and compute such quotients. For example, create a story context for (1/3) ÷ 4, and use a visual fraction model to show the quotient. Use the relationship between multiplication and division to explain that (1/3) ÷ 4 = 1/12 because (1/12) 4 = 1/3. b. Interpret division of a whole number by a unit fraction, and compute such quotients. For example, create a story context for 4 ÷ (1/5), and use a visual fraction model to show the quotient. Use the relationship between multiplication and division to explain that 4 ÷ (1/5) = 20 because 20 (1/5) = 4. c. Solve real world problems involving division of unit fractions by non-zero whole numbers and division of whole numbers by unit fractions, e.g., by using visual fraction models and equations to represent the problem. For example, how much chocolate will each person get if 3 people share 1/2 lb of chocolate equally? How many 1/3-cup servings are in 2 cups of raisins? 1 Students able to multiply fractions in general can develop strategies to divide fractions in general, by reasoning about the relationship between multiplication and division. But division of a fraction by a fraction is not a requirement at this grade. 48 Measurement and Data 5.MD Convert like measurement units within a given measurement system. 1. Convert among different-sized standard measurement units within a given measurement system (e.g., convert 5 cm to 0.05 m), and use these conversions in solving multi-step, real world problems. Represent and interpret data. 2. Make a line plot to display a data set of measurements in fractions of a unit (1/2, 1/4, 1/8). Use operations on fractions for this grade to solve problems involving information presented in line plots. For example, given different measurements of liquid in identical beakers, find the amount of liquid each beaker would contain if the total amount in all the beakers were redistributed equally. Geometric measurement: understand concepts of volume and relate volume to multiplication and to addition. 3. Recognize volume as an attribute of solid figures and understand concepts of volume measurement. a. A cube with side length 1 unit, called a “unit cube,” is said to have “one cubic unit” of volume, and can be used to measure volume. b. A solid figure which can be packed without gaps or overlaps using n unit cubes is said to have a volume of n cubic units. 4. Measure volumes by counting unit cubes, using cubic cm, cubic in, cubic ft, and improvised units. 5. Relate volume to the operations of multiplication and addition and solve real world and mathematical problems involving volume. a. Find the volume of a right rectangular prism with whole-number side lengths by packing it with unit cubes, and show that the volume is the same as would be found by multiplying the edge lengths, equivalently by multiplying the height by the area of the base. Represent threefold whole-number products as volumes, e.g., to represent the associative property of multiplication. b. Apply the formulas V = l w h and V = b h for rectangular prisms to find volumes of right rectangular prisms with wholenumber edge lengths in the context of solving real world and mathematical problems. c. Recognize volume as additive. Find volumes of solid figures composed of two non-overlapping right rectangular prisms by adding the volumes of the non-overlapping parts, applying this technique to solve real world problems. 49 Geometry 5.G Graph points on the coordinate plane to solve real-world and mathematical problems. 1. Use a pair of perpendicular number lines, called axes, to define a coordinate system, with the intersection of the lines (the origin) arranged to coincide with the 0 on each line and a given point in the plane located by using an ordered pair of numbers, called its coordinates. Understand that the first number indicates how far to travel from the origin in the direction of one axis, and the second number indicates how far to travel in the direction of the second axis, with the convention that the names of the two axes and the coordinates correspond (e.g., x-axis and x-coordinate, y-axis and y-coordinate). 2. Represent real world and mathematical problems by graphing points in the first quadrant of the coordinate plane, and interpret coordinate values of points in the context of the situation. Classify two-dimensional figures into categories based on their properties. 3. Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles. 4. Classify two-dimensional figures in a hierarchy based on properties. 50 51
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