8.EE.2 Square and cube roots

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

• 6 cm
• 24 cm
• 9 cm
• 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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

• 25 cm
• 10 cm
• 40 cm
• 50 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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.

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

Tags

CCSS.8.EE.A.2

What is the area of a square with a side of 7?

• 14
• 28
• 49
• 64

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

Tags

CCSS.8.EE.A.2

Evaluate.

• 7/5

• ±7/5

• 5/7

• ±5/7

Which of the following is NOT a perfect square?

• 1
• 4
• 100
• 8

Tags

CCSS.8.EE.A.2

Which statement is NOT true?

• √169 = 13
• 15² = 225
• 4² = √16
• √164 = 18

Tags

CCSS.8.EE.A.2

Solve by square roots

x² - 64 = 0

• 64

• 8

• 8 or -8

• 1 or -64

Tags

CCSS.HSA-REI.B.4B