2013-2014 Curriculum Blueprint Grade: 3 Course: Math Approximate Time: 15 days Unit 3: Exploring Equal Groups as a Foundation for Multiplication and Division Learning Goal Students will develop an understanding of the relationship between multiplication and division through skip counting and repeated addition and subtraction by interpreting and representing products and quotients in real world word problems. Unit Overview Students begin by developing a foundation in multiplication and division concepts by working with numbers with which they are more familiar (2s, 5s, and 10s) as well as numbers that are easily skip counted (3s and 4s). Multiplication is a critical area for grade 3, therefore students will build on these concepts throughout the year, working toward fluency by the end of the year. Link to Multiplication and Division Learning Scale (This scale will be used multiple times throughout the year as students work with and develop fluency in multiplication and division. Use indicators represented in standards below.) Essential Question(s) How are multiplication and division related? How do you determine when to multiply or divide? Focus Standards Bullets are the deconstructed standards These should be used to develop concise learning statements/daily objectives/scales. Test Item Specifications Vertical Progression http://www.turnonccmath.net/ K-8 Learning Trajectories (This could be used to determine remediation needs or enrichment opportunities) MAFS.3.OA.1.1 (DOK 2) Interpret products of whole numbers, eg., interpret 5 x 7 as the total number of objects in 5 groups of 7 objects each. For example: Describe a context in which a total number of objects can be expressed as 5 x 7. Find the product of multiple groups of objects. Interpret products of multiple groups of objects. 2nd Grade Students find the total numbers of groups using arrays as repeated addition. Students pair objects to determine if the number is odd or even. Students skip count by 2, 5, 10, and 100. 4th Grade MAFS.3.OA.1.2 (DOK 2) Interpret whole‐number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the Students interpret a multiplication problem as a comparison. Ex: 35 = 5x7 therefore 35 is 5 times number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of as many as 7. shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a Students perform multi-digit multiplication. context in which a number of shares or a number of groups can be expressed as 56 ÷ 8. Resources Essential Vocabulary Know what the numbers in a division problem represent. Be selective in choosing problems aligned to Multiplication Explain what division means and how it relates to equal shares. the standards within each lesson. Division Interpret quotients as the number of shares or the number of groups when a set of objects is Equal shares divided equally. Textbook Correlation Arrays (Multiplication and Division should be Repeated Addition MAFS.3.OA.2.6 (DOK 2) Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by taught simultaneously so the students see Repeated Subtraction finding the number that makes 32 when multiplied by 8. the relationship.) Product Identify the multiplication problem as related to the division problem. Quotient Identify the unknown factor in the related multiplication problem. 3.1, 5.1 Equal Groups Factor Recognize multiplication and division as related operations and explain how they are related. 3.2, 5.2 Equal Groups Use multiplication to solve division problems. 3.3, 5.3 Multiply and Divide by 2 Higher Order Questions/Stems 3.4, 5.5 Repeated addition and subtraction How would you represent…? MAFS.3.OA.1.3 (DOK 2) Use multiplication and division within 100 to solve word problems in situations Draft 07/31/2014 pg. 1 2013-2014 Curriculum Blueprint Grade: 3 Course: Math Approximate Time: 15 days Unit 3: Exploring Equal Groups as a Foundation for Multiplication and Division involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. Multiply and divide within 100. Solve word problems in situations involving equal groups, arrays, and measurement quantities. Represent a word problem using a picture, an equation with a symbol for the unknown number, or in other ways. MAFS.3.OA.3.7 (DOK 2) Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 x 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers. Know from memory all products of two one-digit numbers. Fluently multiply and divide within 100. Analyze a multiplication or division problem in order to choose an appropriate strategy to fluently multiply or divide within 100. Link to Mathematical Practice Standards Rubric MAFS.K12.MP.1.1 Make sense of problems and persevere in solving them. MAFS.K12.MP.2.1 Reason abstractly and quantitatively. MAFS.K12.MP.6.1 Attend to precision. MAFS.K12.MP.4.1 Model with Mathematics. 3.9, 5.4 Multiply and divide by 5 5.8 Multiplication and Division 5.9 Fact Families Supplemental Resources 3rd Grade Common Core Flip Book Provides additional information and sample problems for every standard Task- Analyzing Word Problems Involving Multiplication Task- Two Interpretations of Division Georgia Unit 2 Products of Whole Numbers P. 39-42 Associative Property P. 48-56 Whole Number Quotients P. 64-69 Unknown Factor P.111-115 Math Formative Assessments (Type standard in “keywords” to find formative assessments/activities aligned to the specific standard) Florida Interim Assessment Item Bank and Test Platform What other situation could be represented by…? How would you explain that strategy to someone who didn’t understand? Which is the best strategy to use in this situation? How do you know your answer is reasonable? How would you describe what you are trying to find? How can I find the total number of objects in equal groups? What are you finding when you divide? Writing Connections Explain in your own words what multiplication and division mean. Explain and illustrate two strategies to solve the problem. Develop a detailed plan prior to solving the problem. Writing Template Tasks These template tasks are designed from the Mathematical Practice Standards. When filled in, these templates become teaching tasks that create opportunities for teaching literacy skills in mathematics. Link to Problem Solving Rubric Link to Webb’s DOK Guide Draft 07/31/2014 pg. 2
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