Indices

What are the factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 5, 8, 10, 12, 24

• 2, 4, 6, 8, 10, 12, 24

• 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 24

Is 17 a prime number?

• Sometimes

• No

• Maybe

• Yes

Calculate the LCM of 12 and 18.

• 42

• 36

• 30

• 24

Determine the HCF of 36 and 48.

• 6

• 18

• 12

• 24

Perform the operation (-5) + 8.

• -3

• 3

• 0

• 13

Find the square root of 64.

• 6

• 8

• 12

• 10

What is the cube root of 27?

• 3

• 4

• 6

• 5

Simplify 5^2 + 3^2.

• 10

• 16

• 25

• 34

What are the factors of 30?

• 1, 2, 3, 5, 6, 10, 15, 30

• 1, 2, 3, 4, 5, 6, 10, 15, 30

• 1, 2, 4, 6, 10, 15, 30

• 1, 3, 5, 10, 15, 30

Identify a prime number between 20 and 30.

• 21

• 25

• 27

• 23