Factors
Multiples
Prime or Composite?
Multiplication
Story Problems
100

List all the factors of 18

1, 18     2, 9      3, 6

100

List the first three multiples of 10

10, 20, 30

100

Is 3 prime or composite?

Prime- there is only one factor pair: 1 x 3

100

60 x 4

240

100

Eric is 11 years old. His dad is three times older than him. How old is his dad?

11 x 3 = 33 years old

200

List all the factors of 32

1, 32       2, 16     4, 8


200

List the first three multiples of 22

22, 44, 66

200

Is 20 prime or composite?

Composite. It has more than 1 factor pair. 1 x 20. 2 x 10, 4 x 5

200

7 x ____ = 28

4

200

Amber bought a pair of pants and a pair of shoes. The shoes cost 4 times as much as the pants. The pants cost $15. How much did the shoes cost?

15 x 4 = $60

300

List the factors of 19

1, 19

300

List the first two multiples of 36

36, 72

300

Is 182 prime or composite?

182 is composite. We can automatically know that because there is a 2 in the ones place. This means that it is divisible by 2 (2 is one of its factor)

300

The area of a rectangle is 56 square feet. One side measures 8 ft. What is the dimension of the other side?

7 feet. (8 x 7 = 56)

300

Each of the 4 students at the red table has 8 markers. The class has 5 times as many markers as the red table. How many markers does the class have in all?

160 markers.

4 x 8 = 32 markers at the red table

32 markers x 5 = 160 markers

M
e
n
u