Perfect Squares and Square Roots Cube Roots

Estimate the square root.

• 3

• 4

• 5

• 6

(cube root of 8) 

• 2

• -2

• None of the above 

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

What is the square root of 289?

• 13

• 140

• 17

• 18

What is the square root of 324?

• 16

• 17

• 18

• 19

All the following are perfect squares except for which one?

• 81

• 121

• 361

• 198

The area of a square is 36 cm².  What is the length of one side?

• 6 cm

• 24 cm

• 9 cm

• 9 cm

The area of a square picture frame is 100 cm².  What is the perimeter of the frame?

• 25 cm

• 10 cm

• 40 cm

• 50 cm

A perfect square is a number whose square root is ___________.

• even

• a never-ending

  (non-terminating) decimal

• rational

• odd

The √20 is between which two consecutive integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6