Square and Cube Roots

Which representations are equal to 64?

• 8²

• 32²

• (-8)(-8)

• 4³

• 21³

Tags

CCSS.8.EE.A.2

Leona is so excited. Her grandma is ordering a cubic hot tub that has a volume of 216 ft³. Her grandma needs to know how long each side is to order trim. What is the length of each side? (a)  

• 4 feet
• 6 feet
• 8 feet
• 108 feet

Valencia, Saralyn, and Emily are solving math problems to win a race. They need to determine the approximate value of  $\sqrt{47}$ . Saralyn insists the value is closer to 7, while Emily is sure it is closer to 8. Valencia thinks the value is closer to 6. Who do you agree with?

Saralyn 

Mathematical Equivalence

ON

Evaluate.

Mathematical Equivalence

ON

Evaluate. (a)  

• 7/5
• ±7/5
• 5/7
• ±5/7

Evaluate.± (a)  

• ±13
• ±14
• 14
• 13

Evaluate.

Mathematical Equivalence

ON

Between what two integers would you find the value of √150? (a)  

• 12 and 13
• 11 and 12
• 13 and 14
• 15 and 16

What are the square roots of 36? (a)  

• 6 and -6
• 6
• -6

Which of these is not a perfect square?

Mathematical Equivalence

ON