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UNIT 7
CHAPTER 28
Lesson 28-1
 
 
 
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CHAPTER 28 EXPLORING 2-DIGIT ADDITION AND SUBTRACTION
Lesson 28-1 HANDS ON Add and Subtract Tens
 
 

  
Add and Subtract Tens
  
Name ___________________________

 You can use  to add or subtract tens.

Add

Adding tens




Subtract

Subtracting tens





 Use . Count on to add tens. Count back to subtract tens.
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5.
How can you use  to show


 

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