Estimating Square Roots of Nonperfect Squares

Joey has a square bedroom with an area of 121 square feet. What is the side length of a wall in his room? Hint: find the square root.

• 10

• 25

• 11

• 30.25

A square backyard has an area of 169 square feet. How long is each side of the back yard? Hint: whats the square root?

• 42.25

• 13

• 20

• 35

What integer is not a perfect square?

• 4

• 100

• 24

• 49

Between which two square roots does the √51 fall?

• √16 and √25

• √25 and √36

• √36 and √49

• √49 and √64

The square root of 59 falls between which two consecutive whole numbers?

• 7 and 8

• 8 and 9

• 10 and 11

• 9 and 10

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

In between what two integers is the square root of 30?

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

The square root of 99 falls between which two consecutive whole numbers?

• 7 and 8
• 8 and 9
• 10 and 11
• 9 and 10

In between what two integers is the square root of 44?

• 3 and 4
• 4 and 5
• 5 and 6
• 6 and 7

• 7 and 9

• 2 and 3