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UNIT 7
CHAPTER 28
Lesson 28-7
 
 
 
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CHAPTER 28 EXPLORING 2-DIGIT ADDITION AND SUBTRACTION
Lesson 28-7 PROBLEM SOLVING: STRATEGY Guess and Check
 
 

  
Problem Solving Strategy
  
Name ___________________________

Guess and Check
  


You can guess and check to help you solve problems.

Tara plants two packets of seeds. She plants a total of 23 seeds. Which two packets of seeds does she plant?

  
What do I already know?     Tara planted _______ seeds.

What do I need to find? _______

  
I can guess and check.

  
I can carry out my plan.



No.
No.
Yes.

  
Does my answer make sense?

Yes.

No.

How do I know? _______

 

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