Showing posts with label integers. Show all posts
Showing posts with label integers. Show all posts

Tuesday, June 14, 2011

Review on Integers

Integers are positve and negative numbers, including zero.
For example : 1, 54, 8526, 4582328785, -543, -89641237, 0
Integers are not - decimals, fractions percents or ratios
Zero Pairs : a pair of integers representing +1 and -1
The pair represents zero because (+1)+(-1)=0
Here are some questions to help you ! :
Look at the diagrams and change it into an expression and answer it.


Now answer these regular expressions:


(+7)+(-4)=
(+10)-(-5)=
(-5)+(+9)=
(-8)-(+2)=



YOU CAN ALSO USE NUMBER LINES TO HELP YOU!