Squares and Perfect Squares

Evaluate
√36

• 6

• -9

• 18

• -18

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.

√ 81

• 8

• 7

• 10

• 9

Which of these areas is a perfect square?

• 12

• 90

• 40

• 64

What is the side length of a square that has an area of 36?

• 9

• 18

• 6

• 1296

What is the side length of a square that has an area of 121?

• 11

• 60.5

• 30.25

• 14641

Which of the following is a perfect square?

• 10

• 25

• 50

• 89

What would be the side length if you used 49 tiles to create a perfect square?

• 7 tiles

• 14 tiles

• 4 tiles wide and 9 tiles long

• 3.5 tiles

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

• 25 cm

• 10 cm

• 40 cm

• 50 cm

• 4/9

• 0.4

• 4/6

• 9