Classifying Real Numbers and Squares and Square Roots

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.

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CCSS.8.EE.A.2

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

• 14

• 28

• 49

• 64

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CCSS.7.EE.B.3

What is the area of a square with a side of 12?

• 144

• 24

• 48

• 6

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CCSS.7.EE.B.3

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

• 9

• 12

• 6

• 24

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CCSS.4.MD.A.3

Which expression is equivalent to √75?

• 5√3

• 15√5

• 3√5

• 5√15

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A1.1.11.A

Estimate the square root of 224.

• 15.1

• 15.5

• 15.0

• 14.9

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CCSS.8.NS.A.2

√121

• 12

• 10

• 11

• 3

Check all the square roots that are rational.

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CCSS.8.NS.A.1

• 7 and 8
• 8 and 9
• 17 and 18
• 35 and 36

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CCSS.8.NS.A.2

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

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CCSS.8.EE.A.2