Multiplying and Dividing Integers
Standard
7.N.6 Use the inverse relationships of addition and subtraction, and of multiplication and division, to simplify computations and solve problems, e.g., multiplying by 1/2 or 0.5 is the same as dividing by 2.
Cluster
C11
Objective
To multiply integers using repeated addition, patterns and rules
To divide intgers using rules
Lesson
Multiplying
Examples for the rules
3(4) = 12
3(-4) = 12
-3 (4) = -12
-3 (-4) = -12
Dividing Integers
Examples for the rules
12 -:- 3 = 4
12 -:- (-3) = -4
-12 -:- 3 = -4
-12 -:- (-3) = 4