Numbers

2-16 Adding Three Numbers

Return to Home Page

Lesson List


 

You can add in any order.

It does not matter what order you add numbers.

5 + 6 = 11 and 6 + 5 = 11.

2 + 3 + 5 = 5 + 3 + 2, so you can add 2 and 3 first and then add 5.

 

Find the sum by adding down.

 

4
3
+8
3
2
+7
5
1
+8
7
5
+4
8
3
+6
2
7
+9
3
5
+4
4
2
+5
6
7
+2
2
3
+4
5
3
+2
1
6
+3
2
1
+8
3
4
+6
4
1
+6
4
2
+6
5
4
+3
2
5
+7
2
4
+3
3
1
+7
5
7
+1
2
6
+3
7
1
+5
1
9
+5

 

 

Elementary & Middle School Lessons & Self-Correcting Tests for Children in all Subject Areas.
If you have found an error or would like to make comments on this lesson, please email us at:
MySchoolhouse.online@gmail.com

Copyright 1999-2024 by Educational Designers, LLC.  All rights reserved.
Lessons & Tests in Math, Reading, Spelling, Science, Language, and Social Studies.

"This site uses cookies from Google to deliver its services and analyze traffic. Your IP address and user-agent are shared with Google along with performance and security metrics to ensure quality of service, generate usage statistics, and to detect and address abuse."
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
WORK SPACE