Estimate Square Roots

The √40 is between which two integers?

• 39 and 41

• 6 and 7

• 5 and 6

• 19 and 21

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11

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

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

Between which 2 consecutive numbers on the number line does the square root of 23 lie?

• -5 and -4

• -2 and -1

• 2 and 3

• 4 and 5

What is the square root of 49?

• 6

• 7

• 8

• 9

Which number has a square root that is between 5 and 6?

• 48

• 81

• 28

• 36

• 20

Which number is closest to the approximate value of √380?

• 18.5

• 19

• 19.5

• 20

121 = ______

• 11²

• 12

• 11

• 112

√196 = ______

• 14

• 14²

• 15

• 15²

Which number is the square root of 324?

• 18²

• 18

• √18

• 18/2