Squares and Cubes

Squares

100

What is the square root of 64?

8 and -8

200

Is 169 a perfect square?

Yes

300

What is the square root of 81?

9 and -9

400

Is 48 a perfect square?

No

500

What two numbers is the square root of 145 between?

12 and 13, -12 and -13

Cubes

100

Is 64 a perfect cube?

Yes

200

What is the cube root of 125?

5

300

What is the cube root of -1?

-1

400

What two numbers is the square root of 20 between?

4 and 5

500

What is the cube root of -216?

-6

Solving Squares

100

x^2 = 25

5 and -5

200

4x^2 = 144

6 or -6

300

100 -12 = -56 + x^2

12 or -12

400

4(4 + 5) + 111 = 3x^2

7 or -7

500

-4x^2 + 5x^2 = 8^2

8

Solving Cubes

100

x^3 = 8

2

200

x^3 = 2-29

-3

300

√25 + 59 = x^3

4

400

x^3 = -125

-5

500

-5x^3 = 125

-5

Anything

100

x^2 = 16

4 or -4

200

Is 100 a perfect cube?

No

300

Is 196 a perfect square?

Yes

400

What two numbers is the cube root of 89 between?

4 and 5

500

Which is the largest 2-digit number which is also a perfect square?

81