Evaluating Square and Cube Roots

This video tutorial covers lesson four, focusing on evaluating cube and square roots. It includes examples such as building a birdhouse and covering a bulletin board to illustrate the concepts of perfect cubes and squares. The video also provides instructions for a GoFormative practice exercise, emphasizing the importance of understanding these mathematical operations without relying on calculators.

What is the main question addressed in this lesson?

• How to solve linear equations

• How to find the perimeter of a square

• How to evaluate cube roots and square roots

• How to calculate the area of a rectangle

In the birdhouse problem, what is the volume of the birdhouse?

• 216 cubic inches

• 144 cubic inches

• 100 cubic inches

• 64 cubic inches

Tags

CCSS.6.G.A.2

CCSS.5.MD.C.5B

Which of the following is a perfect cube?

• 16

• 27

• 25

• 49

Tags

CCSS.8.EE.A.2

What is the cube root of 216?

• 5

• 7

• 6

• 4

Tags

CCSS.8.EE.A.2

How do cube roots and cubes interact in mathematical operations?

• They divide

• They multiply

• They cancel each other out

• They add up

What is the length of each edge of a cube-shaped art sculpture with a volume of 64 cubic feet?

• 3 feet

• 5 feet

• 2 feet

• 4 feet

Tags

CCSS.8.EE.A.2

What method can be used to find the cube root of a number if it is not immediately obvious?

• Dividing by 2

• Adding the digits

• Guessing and checking

• Using a calculator

Tags

CCSS.8.EE.A.2

What is the square root of 100?

• 11

• 10

• 9

• 8

Tags

CCSS.8.EE.A.2

What are the minimum dimensions of the tablecloth Emily needs for a table with an area of 9 square feet?

• 2 feet by 2 feet

• 3 feet by 3 feet

• 4 feet by 4 feet

• 5 feet by 5 feet

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

What should you do if you get a red circle while entering an answer in the GoFormative practice?

• Change the answer

• Ignore it

• Submit it anyway

• Ask a friend for the answer