Perfect Squares & Square Roots

What is @@\sqrt{49}@@?

• 5

• 6

• 7

• 8

What is @@\sqrt{36}@@?

• 4

• 5

• 6

• 7

What is the square root of 64?

• 6

• 7

• 8

• 9

List the first five perfect squares.

• 1, 4, 9, 16, 25

• 1, 2, 3, 4, 5

• 2, 4, 6, 8, 10

• 3, 6, 9, 12, 15

What is the square of 15?

• 200

• 210

• 225

• 250

What is the square of 5?

• 20

• 25

• 30

• 15

Which number is a perfect square: 50, 64, 70?

• 50

• 64

• 70

• 81

What is the definition of a square root?

• A value that, when added to itself, gives the original number.

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

• A value that is always positive and greater than the original number.

• A value that represents the distance from zero on a number line.

What is @@ 7^2 @@?

• 48

• 49

• 50

• 51

What is the square root of 1?

• 0

• 1

• 2

• -1