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UNIT 3
CHAPTER 10
Lesson 10-2
 
 
 
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CHAPTER 10 SUBTRACTION STRATEGIES
Lesson 10-2 Count Back 1, 2 or 3
 
 

 Count back to subtract.




6.


7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.

  
Critical Thinking
  
Circle the answer.
21.My coat has more than 1 red pocket.
It has more green pockets than red pockets.
Which coat is mine?



  
Your child used a number line to count back to subtract.
Activity:  Write 11 – 2. Have your child use the number line to subtract.

 

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