Solving with Squares and Square Roots

• 25² = x
• x² = 5
• x² = 25
• √25 = x²

Which number is closest to the approximate value of √380?

• 18.5

• 19

• 19.5

• 20

Mr. Sansonetti wants to buy the iPod shuffle. If the area of the iPod was 9 cm², how long was the side of the iPod shuffle?

• 3 cm

• 9 cm

• 3 in

• 4 cm

What is the square root of 81?

• 3

• 162

• 6561

• 9

What is 5 squared?

• 2.5

• 25

• 125

• 10

What is the square root of 100?

• 10

• 200

• 50

• 1000

What is the square root of 36?

• 4

• 6

• 18

• 1296

What is 11 squared?

11²

• 132

• 144

• 121

• 22

What is 64 squared?

64²

• 4096

• 8

• 16

• 128

What is 16 squared?

• 8

• 256

• 4

• 32