What is the least common multiple of 4 and 6?

• 12

• 10

• 14

• 8

Find the greatest common divisor of 12 and 16.

• 2

• 6

• 8

• 4

What is the LCM of 5 and 10?

• 20

• 5

• 15

• 10

Calculate the GCD of 18 and 24.

• 4

• 8

• 12

• 6

Choose the fraction for the shaded area of each shape

• 2/2

• 1/2

• 2/1

• 3/2

What is the least common multiple of 7 and 3?

• 24

• 18

• 14

• 21

Determine the GCD of 30 and 45.

• 20

• 10

• 25

• 15

Choose the fraction for the shaded area of each shape

• 8/6

• 2/3

• 1/4

• 8/6

What is the LCM of 8 and 12?

• 30

• 24

• 20

• 16

Find the GCD of 21 and 14.

• 3

• 7

• 10

• 5