Understanding Square Numbers and Square Roots

What is the result of squaring the number 5?

• 10

• 15

• 20

• 25

Which of the following is a square number?

• 25

• 30

• 40

• 18

What is the square of 9?

• 72

• 81

• 90

• 99

If the square root of a number is 4, what is the number?

• 16

• 12

• 20

• 8

What is the square root of 64?

• 6

• 7

• 8

• 9