wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Estimating Square Roots Challenge

Total questions: 14

Worksheet time: 14mins

Name
Class
Date
1.

Approximate the 30\sqrt[]{30} to the nearest whole number.

(a)  

2.

If a square has an area of 64 square units, what is the length of one side?

(a)  

3.

Estimate the 20\sqrt[]{20} . Is it closer to 4 or 5?

a)

3

b)

6

c)

7

d)

4

4.

A garden is shaped like a square with an area of 121 square feet. What is the length of each side?

a)

9 feet

b)

11 feet

c)

12 feet

d)

10 feet

5.

What is the estimated square root of 50?

a)

9.0

b)

7.07

c)

6.5

d)

8.2

6.

What is the approximate value of 18\sqrt[]{18} ?

a)

4.0

b)

4.24

c)

5.0

d)

3.5

7.

If a room is 10 feet by 10 feet, what is the \sqrt[]{} of its area.

a)

20 feet

b)

14.14 feet

c)

12.5 feet

d)

10 feet

8.

Estimate the square root of 45. Is it closer to 6 or 7?

a)

5

b)

8

c)

9

d)

6

9.

A square plot of land has an area of 225 square meters. What is the approximate length of one side?

a)

20 meters

b)

10 meters

c)

12 meters

d)

15 meters

10.

If you need to find the square root of 80, which two whole numbers does it fall between?

a)

7 and 8

b)

9 and 10

c)

6 and 7

d)

8 and 9

11.
The √20 is between which two integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
12.
An imperfect square is a number whose square root is ___________.
a)
Even
b)
irrational
c)
Rational
d)
Odd
13.

Approximate 65\sqrt[]{65}  to the nearest whole integer.

a)

7

b)

8

c)

32

d)

65

14.

Approximate 52\sqrt[]{52}  to the nearest whole integer.

a)

7

b)

8

c)

26

d)

52