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UNIT 5
CHAPTER 17
Lesson 17-4
 
 
 
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CHAPTER 17 ADDITION STRATEGIES AND FACTS TO 18
Lesson 17-4 ALGEBRA: Add Three Numbers
 
 

 Circle two numbers to add first.

Then find the sums.





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Critical Thinking
  
Choose the best strategy. Circle it. Solve.
23.     make a ten     doubles

  
Your child learned to add three numbers by adding doubles and by making a ten.
Activity:  Write the numbers 6, 6, and 2 on a sheet of paper. Ask your children to circle the numbers they would add first and then find the sum. Do the same for the numbers 8, 6, and 2.

 

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