Exploring Perfect Squares and Square Roots

What is a perfect square?

• A number that is the sum of two equal integers

• A number that can only be divided by one and itself

• A number that has no square roots

• A number that can be expressed as the product of two equal integers

What does the square root symbol look like?

• A circle with a line through it

• A plus sign

• A pair of parallel lines

• A radical sign

If a number is a perfect square, what can it also be described as?

• A cube root

• A prime number

• The square of a whole number

• An irrational number

Which of the following numbers is a perfect square?

• 18

• 25

• 34

• 27

What is the square root of 81?

• 8

• 9

• 10

• 7

How can you estimate the square root of 30?

• By multiplying 30 by itself

• By dividing 30 by 2

• By finding the nearest perfect squares

• By adding 30 to itself

What is the square root of 150 estimated to be between?

• 10 and 11

• 11 and 12

• 12 and 13

• 13 and 14

What is the square root of 36?

• 7

• 6

• 5

• 4

What is the area of a square with side length 3, based on the concept of perfect squares?

• 15

• 6

• 9

• 12

What is the square root of a perfect square 16?

• 5

• 3

• 4

• 2