8th Grade Math Test, Mod 10

The volume of a cube is 64 in³. What is the length of each side of the cube?

• 8 inches

• 4 inches

• 12 inches

• 192 inches

Answer explanation

4³ = 64

Tags

CCSS.5.MD.C.5B

CCSS.6.G.A.2

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

• 3
• 4
• 1
• 2
• 5
• 6
• 7
• 8
• 9

Answer explanation

Find the closest square numbers to 34, 16 and 36, and find the square root of those numbers.

Tags

CCSS.8.NS.A.2

Answer explanation

Remember to simplify any expressions.

Tags

CCSS.8.NS.A.2

Which equation or inequality is FALSE?

Answer explanation

Remember to simplify expressions as much as you can.

Tags

CCSS.8.NS.A.2

Two identical dice have a combined volume of 1024 mm³. In millimeters, what is the length of each side of both dice?

Answer explanation

First, divide 1024 by two, since the dice are identical, to get 512. Next, take the cube root of 512 to get 8.

Tags

CCSS.5.MD.C.5B

CCSS.6.G.A.2

Mathematical Equivalence

ON

Answer explanation

Remember, the root of a fraction is the root of the numerator over the root of the denominator.

Tags

CCSS.8.EE.A.2

What is 0.64 as a fraction in the simplest terms?

Answer explanation

Find the square numbers that 42 is between, 36 and 49, and take the square root of those numbers.

Tags

CCSS.8.NS.A.2

Answer explanation

Any number over 99 endlessly repeats as a decimal.