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UNIT 3
 
 
 
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UNIT 3 Addition and Subtraction Facts to 12 and Graphs
 
 

Unit 3 Study Guide and Review
  
Name ___________________________

Math Words
  



Draw lines to match.
1. a.bar graph   
2.

b.number line   
3.

c.fact family   

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Skills and Applications
  
Addition and Subtraction Strategies (pages 143–150, 159–168)

Examples
  
Add 3 + 8.

Start with the greater number.

Say 8. Count on 3.



3 + 8 = 11


4.9 + 3 =
5.2 + 8 =

Subtract 7 - 2.

Start with 7. Count back 2.



7 - 2 = 5


6.9 - 2 =
7.5 - 3 =

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