Math Skills Challenge

Find the LCM of 12 and 18.

• 36

• 30

• 24

• 42

Calculate the HCF of 24 and 36.

• 6

• 18

• 30

• 12

Convert 0.75 to a fraction.

• 1/2

• 3/4

• 4/5

• 2/3

Identify the common factors of 8 and 12.

• 3, 4, 6

• 1, 2, 4

• 2, 3, 6

• 1, 3, 6

Determine the common multiples of 4 and 6.

• 30

• The common multiples of 4 and 6 are 12, 24, 36, ...

• 18

• 8

What is the LCM of 15 and 25?

• 50

• 100

• 35

• 75

Find the HCF of 42 and 56.

• 10

• 14

• 18

• 24

Express 0.6 as a fraction.

• 3/5

• 2/3

• 4/5

• 1/2

List the common factors of 9 and 27.

• 4, 5, 8

• 1, 3, 9

• 1, 2, 9

• 2, 3, 6

Identify the common multiples of 5 and 7.

• 35, 70, 105, ...

• 25

• 49

• 84