math 11

What are the factors of 12?

• [1, 2, 3, 4, 6, 12]

• 7

• 5

• 8

List the first five multiples of 3.

• 3, 6, 9, 12, 18

• [3, 6, 9, 12, 15]

• 5, 10, 15, 20, 25

• 1, 2, 3, 4, 5

What are the common factors of 8 and 12?

• 2, 5, 10

• 1, 2, 4

• 3, 6, 9

• 1, 7, 11

Identify the factors of 15.

• 4

• [1, 3, 5, 15]

• 2

• 10

What are the multiples of 5 up to 50?

• [5, 10, 15, 20, 25, 30, 35, 40, 45, 50]

• 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

• 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Find the common factors of 18 and 24.

• 5, 10, 15, 20

• 4, 8, 12, 18

• 1, 2, 3, 6

• 7, 14, 21, 28

What is the sum of VII and III in Roman numerals?

• V

• X

• XI

• VIII

Subtract II from V in Roman numerals.

• III

• IV

• II

• I

What are the factors of 20?

• 15, 18, 19, 21, 22, 23

• 1, 2, 4, 5, 10, 20

• 12, 14, 16, 17, 24, 25

• 3, 6, 7, 8, 9, 11

List the first three multiples of 7.

• 7, 14, 21

• 8, 14, 20

• 7, 15, 22

• 6, 12, 18