Squares and Square Roots

Squares

100

7^2

49

200

12^2

144

300

15^2

225

400

17^2

289

500

18^2

324

Square Roots

100

sqrt(16)

4

200

sqrt(81)

9

300

sqrt(121)

11

400

sqrt(169)

13

500

sqrt(361)

19

Squares

100

Which 2 square numbers will this number lie between?

3.6^2

9 and 16

200

Which 2 square numbers does this lie between?

5.1^2

25 and 36

300

Which 2 square numbers does this lie between?

11.8^2

121 and 144

400

Write the all the square numbers between 40 and 90.

49, 64, 81

500

Without a calculator what is 

70^2

4900

Square Roots

100

Between what 2 whole numbers does this lie?

sqrt10

3 and 4

200

Between what 2 whole numbers does this lie?

sqrt50

7 and 8

300

Between what 2 whole numbers does this lie?

sqrt40

6 and 7

400

Between what 2 whole numbers does this lie?

sqrt110

10 and 11

500

Between what 2 whole numbers does this lie?

sqrt200

14 and 15

More Roots

100

Does this give a whole number answer? Yes or No

sqrt16

Yes (4)

200

Does this give a whole number answer? Yes or No

sqrt60

No (approx 7.7)

300

Does this give a whole number answer? Yes or No

sqrt144

Yes (12)

400

Does this give a whole number answer? Yes or No

sqrt255

No (approx 15.96)

500

Does this give a whole number answer? Yes or No

sqrt7056

Yes (84)