Simple Operations with Square Roots

What is the square root of 81?

• 3

• 162

• 6561

• 9

The √40 is between which two integers?

• 39 and 41

• 6 and 7

• 5 and 6

• 19 and 21

Which of the following is NOT a perfect square?

• 1

• 4

• 100

• 8

Square root is the inverse of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11

The area of a square is 36 cm².  What is the length of one side?

• 6 cm

• 24 cm

• 9 cm

• 9 cm

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

The √20 is between which two consecutive integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

What is the square root of 289?

• 13

• 140

• 17

• 18

What is the square root of 324?

• 16

• 17

• 18

• 19