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UNIT 7
CHAPTER 27
Lesson 27-3
 
 
 
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CHAPTER 27 ADDITION AND SUBTRACTION TO 20
Lesson 27-3 HANDS ON/ALGEBRA: Relate Addition and Subtraction
 
 

 Use  and . Add. Then subtract.

Write the related subtraction facts.

5.

Add
Subtract
Related subtraction facts


7


6




6.
_______ _______ = _______
_______ _______ = _______
7.
_______ _______ = _______
_______ _______ = _______
8.
_______ _______ = _______
_______ _______ = _______
9.
_______ _______ = _______
_______ _______ = _______

  
Choose the best answer.

10.9 + 6 = + 9
17
15
6
9
11.<
16
14
7
5

  
Your child practiced related addition and subtraction facts.
Activity:  Have your child tell how is related to and

 

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