Math Unit 1 Review

Math Terms

100

What Does Multiply Mean?

To add repeatedly.

200

When each group has the same number of objects:

Equal Groups

300

The _____ are the numbers being multiplied:

Factors

Solve The Problem

100

Mary has 3 balls. Each ball has 2 stripes. How many stripes in total?

3 x 2 = 6

2 x 3 = 6

2 + 2 + 2 = 6

3 + 3 = 6

200

Ron puts his crayons in 4 rows. He puts 3 pencils in each row. What multiplication equation can find the total number of pencils?

4 x 3 = 12

3 x 4 = 12

300

Tom has 5 bags of rocks. There are 3 rocks in each bag. How many rocks does Tom have?

5 x 3 = 15

3 x 5 = 15

3 + 3 + 3 + 3 + 3 = 15

5 + 5 + 5 = 15

Is It Equivelent?

100

What is the unknown number in the equation?

4 x 5 = ____ x 4

5

200

What is the unknown number in the equation?

6 x 2 = 2 x ____

6

300

What is the unknown numbers in the equation?

3 x 5 = ____ x ____

5 x 3

Repeated Addition

100

Write 3+3+3=9 as a multiplication problem.

3 x 3 = 9

200

5 + 5 + 5 = ___ x ____

5 x 3

3 x 5

300

Write as a multiplication problem. 

4 + 4 + 4 + 4 = 16

4 x 4 = 16