Understanding Square Roots and Perfect Squares

What is a square root?

• A number that, when multiplied by itself, gives the original number

• A number that, when added to itself, equals the original number

• A number that, when subtracted from itself, results in the original number

• A number that, when divided by itself, equals the original number

What is the area of a square with side length 4 units?

• 32 square units

• 16 square units

• 8 square units

• 4 square units

Which of the following is a perfect square?

• 64

• 30

• 22

• 18

What is the area of a square with side length 8 units?

• 16 square units

• 8 square units

• 64 square units

• 32 square units

Which of the following numbers is a perfect square?

• 22

• 20

• 18

• 16

What is the square root of 81?

• 10

• 7

• 8

• 9

Which number is not a perfect square?

• 30

• 25

• 49

• 36

What is the square root of 25?

• 7

• 5

• 6

• 4

What is the approximate square root of 30?

• 5

• 5.48

• 5.5

• 6

Why is 30 not considered a perfect square?

• It is less than 32

• It is a prime number

• It is an even number

• Its square root is not a whole number