MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Introduction Standards 2.3(A), 2.3(B), 2.3(D) 1 Divide Circle A into halves. Divide Circle B into fourths. Circle A Circle B Which circle has more pieces? Answer __________________ 3 Colleen wants to cut a card into fourths. Draw lines on the rectangles to show 3 different ways she can cut the card. 4 Susie cuts a string into fractional parts for a project. Which circle has larger pieces? Answer __________________ Circle the word to make each sentence true. The circle with (more / fewer) equal parts has larger pieces. The circle with (more / fewer) equal parts has smaller pieces. 2 Trace the dotted lines to divide the octagon into eighths. Then shade six parts to show six eighths. How many equal pieces does Susie make? ___________ Use words to name 1 piece of the string. _____________ Use words to name 5 pieces of the string. _____________ 5 Look at the square below. Does the square show halves? Answer __________________ Explain your answer. _________________________ _________________________ mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 39 MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Guided Practice Standards 2.3(A), 2.3(B), 2.3(D) 1 Eloy colors three fourths of a shape. Which could NOT be Eloy’s shape? 3 Helen has an L-shaped closet. She wants to use half the closet for clothes and half for toys. Which picture shows a way Helen could partition her closet? � � toys clothes 2 Ms. Farr asks 3 students to divide a circle into eighths. Their answers are shown below. toys clothes � toys � � toys � clothes � � clothes 4 Kason and Lyle each have equal strips of gum, as shown below. Kason Lyle Pedro Ray Wally Whose answer is correct? Kason cuts his gum into halves. Lyle cuts his gum into eighths. Which statement about the gum is true? � Kason’s pieces are smaller than Lyle’s pieces. � Pedro � Ray � Pedro and Ray � Pedro, Ray, and Wally � Kason makes two cuts in his gum. � Lyle makes eight cuts in his gum. � Lyle’s pieces are smaller than Kason’s pieces. 40 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Independent Practice Standards 2.3(A), 2.3(B), 2.3(D) 3 Taylor has a square piece of paper. She cuts it into fourths to use in a scrapbook. Which does NOT show fourths? 1 Jodi divides a trapezoid into equal parts. She shades the parts, as shown below. What fractional part of the trapezoid does Jodi shade? � � � � � two fourths � one half � two eighths � two halves 4 Fred divided these gures into fractional parts and shaded one part. 2 Ms. Rollins gives each of her 3 children a cookie. Dez Art Renee Dez divides his cookie into eighths. Art divides his cookie into fourths. Renee divides her cookie into halves. Which is true? � Art has fewer pieces than Dez. � Art has smaller pieces than Dez. Which figure shows one eighth shaded? � Only the rectangle � The rectangle and the hexagon � The rectangle and the octagon � The triangle and the hexagon � Renee has smaller pieces than Art. � Renee has more pieces than Dez. mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 41 MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Assessment Standards 2.3(A), 2.3(B), 2.3(D) 1 Shayla baked a cake. Her brother ate three eighths of the cake. Shayla drew a picture of her cake. She shaded the parts that her brother ate. Which could NOT be Shayla’s drawing? 3 Lexie divided these hexagons into 2 parts and shaded one part. Which shaded parts cover half of the hexagon? � Only the shaded trapezoid � � � Both the shaded triangle and the shaded pentagon � � Only the shaded pentagon � � Both the shaded trapezoid and the shaded pentagon 4 Stacy and Steve each have brownies of equal size, as shown. Stacy 2 Which ribbon has been cut into four fourths? � Steve Stacy cuts her brownie into halves. Steve cuts his brownie into eighths. Which statement is true? � � � Stacy has more pieces than Steve. � � Stacy has 4 pieces. � Steve has smaller pieces than Stacy. � Steve has fewer pieces than Stacy. 42 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Critical Thinking Standards 2.3(A), 2.3(B), 2.3(D) Analysis Analyze 1 Marta is using Color Tiles®. She wants to fill the grid below so that one half of the grid is blue, one fourth of the grid is red, and one fourth of the grid is yellow. Color the grid to show one way Marta could arrange the tiles. Analysis Analyze 2 Jordan wants to fold a sheet of notebook paper into eighths. What is the least number of folds he will need to make? Answer __________________ Use words, numbers, or pictures to explain how you found your answer. _____________________________________________________ _____________________________________________________ _____________________________________________________ mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 43 MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Journal/Vocabulary Activity Standards 2.3(A), 2.3(B), 2.3(D) Analysis Journal Kaiden ate half of this candy bar. Analyze Leo ate half of this candy bar. Explain why Kaiden ate more candy. ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ Vocabulary Activity Fill in each blank with an unscrambled word to complete the sentences below. 1. A ________ is part of a _____ . (toncrafi) (lewoh) 2. __________ are two equal _________ that make a whole. (lehsav) (rapts) 3. ___________ are four _________ parts that make a whole. (thorufs) (luaqe) 4. If a whole is divided into eight equal parts, the parts are called ___________ . (thighes) 44 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Motivation Station Standards 2.3(A), 2.3(B), 2.3(D) Motivation Molly says, “You’re on top of it!” Name That Part Play with a partner. Each player needs a small game marker. Each pair of players needs 1 two-color counter and 1 game sheet. Player 1 tosses a counter onto the desk. If the counter lands red-side up, the player moves ahead 2 spaces. If the counter lands with the other color up, the player moves ahead 1 space. The player must say the name of the shaded part of the gure on which the marker lands, such as “one fourth.” If an error is made, the player must return to the starting space for that turn. Then play passes to player 2. The rst player to reach the star is the winner. Start mentoringminds.com mentoringminds.com Winner! motivationmath™LEVEL 2 ILLEGAL TO COPY 45 MATH | LEVEL 2 Student Edition Sample Page Name __________________________________________ Unit 5 Homework Standards 2.3(A), 2.3(B), 2.3(D) 1 The square below shows fourths with 1 part shaded. Draw lines to show fourths in 2 different ways on the squares below. Shade 1 part to show one fourth. 3 Ms. Tony asks her students to draw lines on 2 octagons to show eighths. Lea draws two correct figures. Mei draws two figures that are NOT correct. Their work is shown below. Write each girl’s name under the 2 octagons she drew. 4 Nia and Ann have cakes of equal size, as shown below. Nia Ann 2 Don found a piece of rope. Don wants to cut the rope into eighths. Draw lines on the rope to show how Don can cut it into eighths. How many times must Don cut the rope? __________ ✁ One girl divides her cake into fourths. The other girl divides her cake into eighths. Nia’s pieces are smaller than Ann’s pieces. Write the number of pieces in each girl’s cake. Nia ________ Ann ________ Parent Activities 1. Prepare lunch for your child using foods such as graham crackers, sandwiches, and granola bars. Divide each type of food into halves, fourths, and eighths using words such as “one fourth” to name each piece. 2. Peel an orange and lay the pieces so they can be counted easily. If the orange has 8 sections, discuss that eight eighths of the orange sections have not been eaten. As your child eats a section, say, “Now one eighth of the orange has been eaten, and seven eighths are left.” 46 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Teacher Edition Sample Page Partition Objects and Explain Fractional Parts Unit 5 TEKS – 2.3(A), 2.3(B), and 2.3(D) Unit 5 Standards (Student pages 39–46) Domain TEKS Student Expectations 2.3(A) 2.3(B) 2.3(D) Number and Operations 2.3 The student applies mathematical process standards to recognize and represent fractional units and communicates how they are used to name parts of a whole. 2.3(A), 2.3(B), and 2.3(D) Partition objects into equal parts and name the parts, including halves, fourths, and eighths, using words. Explain that the more fractional parts used to make a whole, the smaller the part; and the fewer the fractional parts, the larger the part. Identify examples and non-examples of halves, fourths, and eighths. Mathematical Process TEKS Addressed in This Unit The student uses mathematical processes to acquire and demonstrate mathematical understanding. 2.1(A) 2.1(D) 2.1(E) 2.1(F) 2.1(G) Apply mathematics to problems arising in everyday life, society, and the workplace. Communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate. Create and use representations to organize, record, and communicate mathematical ideas. Analyze mathematical relationships to connect and communicate mathematical ideas. Display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication. Unpacking the Standards In grade 1, students partitioned two-dimensional figures into two and four equal parts and described the parts using words. In grade 1, students identified examples and non-examples of halves and fourths. In grade 2, students continue to partition objects and to identify examples and non-examples of fractional parts, expanding these concepts to eighths. In grade 2, students explain that the greater the number of equal parts in an object, the smaller each part is and that the fewer the number of equal parts, the larger each part is. mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 81 MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 TEKS – 2.3(A), 2.3(B), and 2.3(D) Partition Objects and Explain Fractional Parts Getting Started Introduction Activity The teacher reads Picture Pie by Ed Emberley. The teacher provides a whole fraction circle and sets of unmarked fraction circles cut into halves, fourths, and eighths to each student. As each fractional part is introduced in the book, students build whole circles by placing halves, then fourths, and then eighths on top of the whole circle. Students count the pieces aloud (e.g., “one fourth, two fourths, three fourths, four fourths”) as they are placed. After the book has been read, students glue die-cut fraction pieces onto construction paper to create designs. Students count the total number of each type of piece used and record words such as one whole, two halves, three fourths, five eighths on index cards. Students attach an index card to each design. (DOK: 2, Bloom’s/RBT: Synthesis/Create, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.F, (c)2.G, (c)2.H, (c)2.I) Suggested Formative Assessment The teacher observes students as they model and name fractions and create fraction pictures. Ask questions such as: • How many halves/fourths/eighths are in each whole circle? • Which size piece is larger, one fourth or one eighth? • If the circle is cut into 16 pieces, would the pieces be larger or smaller than eighths? How do you know? • What relationship is there between the number of pieces in a whole circle and the size of the pieces? (The greater the number of pieces, the smaller the pieces. The fewer the number of pieces, the larger the pieces.) (DOK: 3, Bloom’s/RBT: Analysis/Analyze, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.D) Children’s Literature Connections Apple Fractions – Jerry Pallotta Picture Pie – Ed Emberley 82 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 Partition Objects and Explain Fractional Parts TEKS – 2.3(A), 2.3(B), and 2.3(D) Vocabulary Focus The following are essential vocabulary terms for this unit. compose fraction partition trapezoid decompose half/halves pentagon triangle eighth hexagon rectangle fourth octagon square Vocabulary Activity The Chair Talks The teacher divides the class into 2 teams and places a chair in front of the room facing the class. Team 1 sends the first player to sit in the chair. The teacher selects a vocabulary word to write or display on the board behind the student sitting in the chair. Team 1 tries to get their team member to say the word before time is called. The team must act out the meaning of the word without talking. When the student correctly guesses the word, the teacher says, “The chair talks.” The team scores 1 point, and play passes to Team 2. If the teacher does not say, “The chair talks,” play passes to the other team with no point scored. The first team to earn 5 points wins a sticker or privilege. (DOK: 1, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.D (c)3.E) Suggested Formative Vocabulary Assessment The teacher observes clues given by students during game play. Students add difficult words to personal math glossaries in math notebooks. Students provide illustrations for the glossary entries. (DOK: 1, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)5.B) mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 83 MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 Partition Objects and Explain Fractional Parts TEKS – 2.3(A), 2.3(B), and 2.3(D) Suggested Instructional Activities 1. The teacher gives each student a geoboard and geobands. Students use geobands to divide the geoboards in half. Invite students to display the geoboards for the class to observe how many different ways this can be accomplished. Students repeat the activity with fourths and eighths. The teacher helps students see that dividing the geoboard into fourths and eighths will result in smaller pieces than dividing the geoboard into halves. (DOK: 2, Bloom’s/RBT: Application/Apply, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I) 2. The teacher makes fraction dominoes. (On one end draw a shaded fraction model and on the other end write a different fraction in word form. Make sure that each fraction model matches a fraction written in words on a different domino.) Each student plays dominoes with a partner. Through a process of drawing and matching a fraction model with its correct word form, the game proceeds until all dominoes have been played. (DOK: 2, Bloom’s/RBT: Application/Apply, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I) 3. The teacher gives each student a handful of Color Tiles® and calls directions (e.g., “Create a chain of color tiles in which three fourths are red.”). Students line up tiles to match the directions. The teacher and students continue the activity, alternating between various quantities of halves, fourths, and eighths. red red red blue (DOK: 2, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.C, (c)2.E, (c)2.I) Suggested Formative Assessment The teacher shows pictures of partitioned geometric shapes in which a number of halves, fourths, or eighths are shaded. On individual dry erase boards, students use words (e.g., three eighths) to describe the shaded parts. Based on the students’ responses, the teacher offers further explanations or interventions as needed. (DOK: 2, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)5.B) 84 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 Partition Objects and Explain Fractional Parts TEKS – 2.3(A), 2.3(B), and 2.3(D) Suggested Reflection/Closure Activity The teacher gives each student a set of 3 paper strips of equal length, divided into halves, fourths, or eighths. Each student writes words on the strips to describe each fractional part as shown. The teacher reviews student responses to determine the need for additional instructional activities. one half one fourth one eighth two halves two fourths two eighths three eighths four eighths three fourths five eighths four fourths six eighths seven eighths eight eighths (DOK: 2, Bloom’s/RBT: Application/Apply, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I) Suggested Formative Assessment The teacher monitors students as they participate in the Reflection/Closure activity. The teacher walks around the classroom, reviewing the paper strips for accuracy. Students explain and justify their work. mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 85 MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 TEKS – 2.3(A), 2.3(B), and 2.3(D) Partition Objects and Explain Fractional Parts Interventions 1. The teacher gives each student a graham cracker. The teacher and students discuss the number 1 of the graham cracker, 1 or __ of equal parts. The teacher asks students if they would rather have __ 2 4 helping them see each fractional part before they decide. Students explain choices in complete sentences. Students eat one section. Then the group discusses how much was eaten and what part is left. Students describe each part using words, such as one fourth and three fourths. (DOK: 2, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.H) 2. The teacher gives each student a square sheet of paper. Students fold the paper in half. Students unfold the paper and identify the shape as one half. The teacher repeats the activity, instructing students to fold the papers into fourths and eighths. Students verbalize generalizations (e.g., “The larger the piece, the fewer the total number of pieces,” or “If the wholes are the same size, one half is larger than one fourth.”). (DOK: 1, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.H) 3. The teacher cuts tortillas into 2, 4, or 8 equal pieces, and gives one piece to each student. Students must locate others in the classroom with matching pieces. When all pieces of the tortillas have been found, students place them on desks to form circles. When all possible circles have been formed, individual students use words such as two halves and four fourths to describe the pieces to the class or group. (DOK: 2, Bloom’s/RBT: Application/Apply, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.D) 86 ILLEGAL TO COPY mentoringminds.com motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Teacher Edition Sample Page Partition Objects and Explain Fractional Parts Unit 5 TEKS – 2.3(A), 2.3(B), and 2.3(D) Suggested Formative Assessment The teacher provides each student with a box of crayons and a worksheet similar to the one shown. The teacher gives directions, such as “Shade three eighths blue. Next, shade two halves red,” etc. Each student must shade a figure to match the teacher’s directions. The teacher continues until students have been instructed to shade all parts of each figure. The teacher collects and evaluates student papers to determine the need for further interventions. (DOK: 1, Bloom’s/RBT: Comprehension/Understand, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I) Extending Student Thinking Using the Internet, pairs of students print close-up photos of famous works of architecture such as the Eiffel Tower. Students shade examples of halves, fourths, and eighths seen in the photos. Pairs display the shaded photos for the class to see and discuss. Note: Teachers should preview Internet websites for appropriate content to ensure that each website meets the instructional goals of the lesson and complies with district/campus guidelines for acceptable use. (DOK: 2, Bloom’s/RBT: Analysis/Analyze, ELPS: (c)1.C, (c)1.E, (c)1.H, (c)2.I, (c)3.D, (c)3.E) mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 87 MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 Partition Objects and Explain Fractional Parts TEKS – 2.3(A), 2.3(B), and 2.3(D) Answer Codings (Student pages 39–42) Page Question Answer 1 Process TEKS 2.1(F) Circle B, Circle A, fewer, more 2 Bloom’s Original/Revised DOK Level ELPS Comprehension/ Understand 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G Application/Apply 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G Application/Apply 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G Application/Apply 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G, (c)5.B, (c)5.G 39 3 Answers will vary. 4 8; one eighth; five eighths 5 No; explanations will vary. 2.1(G) Comprehension/ Understand 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G, (c)5.B, (c)5.G 1 C 2.1(D) Comprehension/ Understand 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 2 A Application/Apply 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 3 B 2.1(A) Comprehension/ Understand 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G 4 D 2.1(F) Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 1 D Comprehension/ Understand 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G 2 A 2.1(F) Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 3 C 2.1(D) 1 (c)1.A, (c)1.C, (c)1.E, (c)5.C 4 C 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G 1 A 1 (c)1.C, (c)1.E, (c)1.H, (c)4.G 2 B 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 3 D Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 4 C Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 40 41 2.1(A) 42 88 ILLEGAL TO COPY mentoringminds.com 2.1(F) Comprehension/ Understand Comprehension/ Understand Comprehension/ Understand Comprehension/ Understand motivationmath™LEVEL 2 mentoringmindsonline.com MATH | LEVEL 2 Teacher Edition Sample Page Unit 5 Partition Objects and Explain Fractional Parts TEKS – 2.3(A), 2.3(B), and 2.3(D) Answer Codings (Student pages 43–46) Page Question 45 46 Process TEKS Bloom’s Original/Revised DOK Level ELPS 1 4 blue tiles, 2 red tiles, 2 yellow tiles 2.1(E) Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 2 3; explanations will vary. 2.1(G) Analysis/Analyze 3 (c)1.C, (c)1.E, (c)1.H, (c)4.G, (c)5.B, (c)5.G Journal Kaiden ate half of a larger candy bar. 2.1(G) Analysis/Analyze 3 (c)1.C, (c)1.E, (c)1.H, (c)4.G, (c)5.B, (c)5.G Comprehension/ Understand 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G, (c)5.G Comprehension/ Understand 1 (c)1.C, (c)1.E, (c)1.H, (c)3.E, (c)4.G 43 44 Answer Vocabulary Activity 1. 2. 3. 4. fraction, whole Halves, parts Fourths, equal eighths Motivation Station Results will vary. 1 Answers will vary. One fourth of each square must be shaded. 2.1(E) Application/Apply 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 2 7 2.1(A) Application/Apply 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 3 Mei, Lea, Lea, Mei 2.1(F) Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G 4 Nia-8, Ann-4 2.1(F) Analysis/Analyze 2 (c)1.C, (c)1.E, (c)1.H, (c)4.G mentoringminds.com mentoringminds.com motivationmath™LEVEL 2 ILLEGAL TO COPY 89
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