G6 m4-a-lesson 1-s

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Published on March 7, 2014

Author: mlabuski

Source: slideshare.net

Lesson 1 NYS COMMON CORE MATHEMATICS CURRICULUM 6•4 Lesson 1:The Relationship of Addition and Subtraction Classwork Opening Exercise a. Draw a tape diagram to represent the following expression: b. . Write an expression for each tape diagram. i. ii. Exercises 1. Predict what will happen when a tape diagram has a large number of squares, some squares are removed, but then the same amount of squares are added back on. 2. Build a tape diagram with squares. a. Remove of them. Write an expression to represent the tape diagram. b. Add c. Evaluate the expression. squares onto the tape diagram. Alter the original expression to represent the current tape diagram. Lesson 1: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org The Relationship of Addition and Subtraction 3/7/14 S.1 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 1

Lesson 1 NYS COMMON CORE MATHEMATICS CURRICULUM 3. Write a number sentence, using variables, to represent the identities we demonstrated with tape diagrams. 4. 6•4 Using your knowledge of identities, fill in each of the blanks. a. _____ b. c. _____ ____ d. 5. _____ Using your knowledge of identities, fill in each of the blanks. a. _____ b. c. d. _____ _____ _____ Lesson 1: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org The Relationship of Addition and Subtraction 3/7/14 S.2 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2

Lesson 1 NYS COMMON CORE MATHEMATICS CURRICULUM 6•4 Problem Set 1. Fill in each blank a. _____ b. c. 2. _____ ______ Why are the number sentences Lesson 1: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org and called identities? The Relationship of Addition and Subtraction 3/7/14 S.3 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 3

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