Macmillan Logo
 
UNIT 2
CHAPTER 8
Lesson 8-5
 
 
 
Go to page
Table of Contents
 
   
 
 
Close the book
 
CHAPTER 8 SUBTRACTION FACTS TO 10
Lesson 8-5 ALGEBRA:PROBLEM SOLVING: STRATEGY Act It Out
 
 

  
Problem Solving Strategy
  
Name ___________________________

Act It Out
  
Algebra
  
Use  to act out the problem.




There are 7 girls in a race. 2 girls finish the race so far. How many girls did not finish the race yet?

  
What do I already know? _______ girls in race.

What do I need to find? _______

  
I can use a  for each girl. Then take away 2 .

  
I can carry out my plan.

The counters show who did not finish the race yet.

_______ girls did not finish yet.

  
Does my answer make sense?   Yes.   No.

How do I know? _______

 

McGraw-Hill Logo
  A Division of The McGraw-Hill Companies
Copyright © The McGraw-Hill Companies, Inc. All rights reserved.