Macmillan Logo
 
UNIT 7
CHAPTER 27
Lesson 27-3
 
 
 
Go to page
Table of Contents
 
   
 
 
Close the book
 
CHAPTER 27 ADDITION AND SUBTRACTION TO 20
Lesson 27-3 HANDS ON/ALGEBRA: Relate Addition and Subtraction
 
 

  
Relate Addition and Subtraction
  
Name ___________________________

 Knowing related facts can help you add and subtract.

Relating addition and subtraction









 Use  and . Add. Then subtract. Write the related subtraction facts.

1.

Add
Subtract
Related subtraction facts


8


5


2.

Add
Subtract
Related subtraction facts
9
___ ___ = ___
7
___ ___ = ___
3.

Add
Subtract
Related subtraction facts
7
___ ___ = ___
8
___ ___ = ___
4.  Write the related subtraction facts.


 

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