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UNIT 5
CHAPTER 18
Lesson 18-4
 
 
 
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CHAPTER 18 SUBTRACTION STRATEGIES AND FACTS TO 18
Lesson 18-4 HANDS ON/ALGEBRA: Relate Addition and Subtraction
 
 

 Use cubes. Add. Then subtract.

Write the related subtraction facts.



4.

Add.
Subtract.
Write the related subtraction facts.
9


8
____ ____ ____

5.

6.
_______ _______ _______
_______ _______ _______
7.
_______ _______ _______
_______ _______ _______
8.
_______ _______ _______
_______ _______ _______

  
Choose the best answer.
9.30 is _______ than 37

greater
less
10.

4     
8

  
Your child learned how addition and subtraction are related.
Activity:  Have your child use small household objects, such as beans or buttons, to show how is related to and

 

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