Square Root and Cube Roots Order of Operations

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

√(225÷9)
Hint: It is not irrational

• 5.6

• 5

• 12.33333333333333333333

• 2.9

Write an equation for this phrase, "2 cubed is equal to the square root of x." 

• 2³ = √x

• 2² = √x

• 4 = √16

• √x = 2

Level 4

Order from least to greatest.

• √45, 9, 6, √63

• 6, √45, √63, 9

• 6, √45, 9, √63

• √45, √63, 6, 9

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CCSS.8.NS.A.2

• A
• B
• C
• D

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CCSS.8.EE.A.2

What is the cube root of 216?

• 6

• 8

• 21

• 7

Tags

CCSS.8.EE.A.2

• A
• B
• C
• D

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CCSS.8.EE.A.2

What is the cube root of 125?

• 5

• -5

• 25

• -25

Tags

CCSS.8.EE.A.2

Solve

(a)  

What does this simplify to?

• 100

• 10

• 1

• undefined

Tags

CCSS.8.EE.A.2