Download presentation

Presentation is loading. Please wait.

Published byAugust Webster Modified over 8 years ago

2
Adding

3
First, you need to know… Associative Property of Addition When: (a + b) + c = a + (b + c) Commutative Property of Addition When: a + b= b + a Zero Property of Addition When: a + 0= a

4
4,285 + 124 Always start with the ones.

5
Let’s Try Some! 4,285 + 124 4,409 2,402 +1,789 4,191 1 11

6
More Practice! 1,891 + 298 2,189 5,765 + 6,341 12,106 11 11

7
Subtraction

8
4,987 - 2,158 Always start with the ones.

9
Let’s Try Some! 4,987 - 2,158 3,230 - 320 177 212 2,829 1,910

10
More Practice! 5,290 - 1,488 9,222 - 6,180 412810 112 3,802 3,042

Similar presentations

© 2023 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google