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UNIT 5
CHAPTER 18
Lesson 18-6
 
 
 
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CHAPTER 18 SUBTRACTION STRATEGIES AND FACTS TO 18
Lesson 18-6 ALGEBRA: PROBLEM SOLVING: STRATEGY Choose the Operation
 
 

  
Problem Solving Strategy
  
Name ___________________________

Choose the Operation
  
Algebra
  


You can choose the operation to solve a problem.

Kim sees 17 balloons.

Ben sees 9 balloons.

How many more balloons does Kim see?

  
What do I already know?

Kim sees _______ balloons.

Ben sees _______ balloons.

What do I need to find? _______

  
Do I add or subtract to solve the problem?




  
I can carry out my plan. _______ _______ _______ balloons

Kim sees _______ more balloons than Ben.

  
Does my answer make sense?

Yes.

No.

How do I know? _______

 

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