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UNIT 3
CHAPTER 11
Lesson 11-1
 
 
 
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CHAPTER 11 RELATING ADDITION AND SUBTRACTION
Lesson 11-1 HANDS ON/ALGEBRA: Relate Addition to Subtraction
 
 

  
Relate Addition to Subtraction
  
Name ___________________________

Math Word  
related facts

  Related facts use the same numbers.




Relating addition to subtraction



 Use  and . Add. Then subtract. Write the related subtraction facts.
1.

Add.
Subtract.
Write the related subtraction facts.
5 + 6 = _______
6
_______ - _______ = _______
5
_______ - _______ = _______

2.

Add.
Subtract.
Write the related subtraction facts.
3 + 9 = _______
9
_______ - _______ = _______
3
_______ - _______ = _______
3. If you know 5 + 7 = 12, what related subtraction facts do you know?


 

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