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UNIT 3
CHAPTER 11
Lesson 11-2
 
 
 
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CHAPTER 11 RELATING ADDITION AND SUBTRACTION
Lesson 11-2 Doubles Facts
 
 

 Add and subtract.

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Number Sense
  
10.Tim has 10 cars. What doubles fact shows the number of Tim's cars?
_______ + _______ = _______

  
Your child used doubles to add and subtract.
Activity:  Have your child subtract 8 - 4 and tell what doubles fact helped solve the problem.

 

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