Square Roots

What is the square root of 36?

• 4

• 6

• 18

• 1296

What is the square root of 81?

• 3

• 162

• 6561

• 9

169

• Is a perfect square.

• Is not a perfect square.

Which of the following is a perfect square?

• 39

• 50

• 24

• 81

Which of the following is NOT a perfect square?

• 1

• 4

• 100

• 8

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.

A perfect square is a number whose square root is ___________.

• even

• a never-ending

  (non-terminating) decimal

• rational

• odd

The √20 is between which two consecutive integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

Between which two consecutive whole numbers is the√200? 

• 13 and 14

• 15 and 16

• 14 and 15

• 11 and 12

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1