Square 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.4.MD.A.3

CCSS.3.MD.C.7B

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

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

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.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

To find the square root of a number, you must divide it by 2.

• True
• False

Tags

CCSS.8.EE.A.2

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.8.EE.A.2

What is the perimeter of a square with a side of 3?

• 9
• 12
• 6
• 24

Tags

CCSS.4.MD.A.3

√64=___

• + 6 only

• ± 6

• ± 8

• + 8 only

Tags

CCSS.8.EE.A.2

Which of the following is a perfect square?

• 10

• 25

• 50

• 89

Tags

CCSS.8.EE.A.2

Which of the following in not a perfect square?

• 49

• 81

• 111

• 144

Tags

CCSS.8.EE.A.2