Macmillan Logo
 
UNIT 3
CHAPTER 10
Lesson 10-1
 
 
 
Go to page
Table of Contents
 
   
 
 
Close the book
 
CHAPTER 10 SUBTRACTION STRATEGIES
Lesson 10-1 Count Back 1 or 2
 
 

Count Back 1 or 2
  
Name ___________________________

Math Words  
count back

number line

 You can count back to subtract.

Use a number line.




 Use the number line.

Count back to subtract.

1.


2.


3.


4.


5. How does using a number line help you subtract 10 - 1?


 

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