# Estimating Radicals

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## Estimating Radicals Answer Key

1.

Between which two numbers does [math]sqrt5[/math] fall?

- 1 and 2
- 2 and 3
- 3 and 4
- 4 and 5

2.

The square root of 150 is between .

- 10 and 11
- 11 and 12
- 12 and 13
- 13 and 14

3.

Between what two consecutive whole numbers does [math]sqrt48[/math] lie?

- 4 and 5
- 5 and 6
- 6 and 7
- 7 and 8

4.

Between what two numbers does [math]sqrt30[/math] fall?

- 4 and 5
- 5 and 6
- 6 and 7
- 7 and 8

5.

Which integer is closest in value to [math]sqrt 15[/math]?

- 2
- 3
- 4
- 5

6.

Which number would be closest to [math]sqrt99[/math]?

- 8
- 9
- 10
- 11

7.

Which whole number is closest to [math]sqrt52[/math]?

- 5
- 6
- 7
- 8

8.

Which number is closest in value to [math]sqrt140[/math]?

- 9
- 10
- 11
- 12

9.

[math]sqrt 12[/math] is between which two consecutive whole numbers?

- 3 and 4

10.

Estimate the value of [math]sqrt75[/math] to the nearest integer. Explain your reasoning.

- Since 75 is closer to 81 than 64, the square root of 75 is closer to 9 than to 8.

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