Operation with integers

Operation With Integers

Objective 

Add, Subtract, multiply, and divide integers.

New Vocabulary:

Absolute Value
Opposites
additive inverses

Number Line

Absolute Value  :   You Can also use absolute value to add integers. The absolute value of a number is its distance from 0 on the number line.

Additive Inverse: Every positive intergers can be paired with negative integers.These pairs are called opposites. A number and its opposite are additive inverses. Additive inverses can be used when you subtract integers.

Rules for Addition

Rules for Addition
Positive + Positive	Positive
Positive + Negative	Depends
Negative + Positive	Depends
Negative + Negative	Negative

Rules for Multiplication Rules for Multiplication Positive x Positive Positive Positive x Negative Negative Negative x Positive Negative Negative x Negative Positive