Approximating Square Roots of Irrational Numbers

The √20 is between which two integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

Estimate √18 to the nearest integer

• 6

• 4

• 3

• 5

The √77 is between what two integers?

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

Estimate √119 to the nearest integer

• 11

• 12

• 13

• 10

Which is the best approximation of √72 ?

• 7.2

• 9.1

• 8.9

• 8.5

Approximate the following irrational number to the nearest hundredth without using a calculator.
The square root of 32

• 5.33

• 4.5

• 8

• 5.66

Which is the best estimate of the square root of 63?

• 7.1

• 7.3

• 7.5

• 7.9

The √40 is between which two consecutive whole numbers?

• 7 & 8

• 4 & 5

• 5 & 6

• 6 & 7

Between which two whole numbers is the
√5?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 5

The square root of 99 falls between which two consecutive integers?

• 7 and 8

• 8 and 9

• 10 and 11

• 9 and 10