Unit 8B TEST REVIEW

A thin plastic cover must be placed on top of this box. How much plastic is needed?

• 525 sq cm

• 1,400 sq cm

• 21,000 sq cm

• 600 sq cm

Spencer and Kamden are comparing the size of their suitcases. Both suitcases are shaped like rectangular prisms. Spencer's suitcase is 15 inches long, 18 inches wide, and 5 inches tall. Kamden's suitcase is 14 inches long, 15 inches wide, and 7 inches tall. Which statement is correct?

• Kamden’s suitcase can hold more because it has a greater volume.

• Kamden’s suitcase can hold more because it has a greater area.

• Spencer’s suitcase can hold more because it has a greater volume.

• Spencer’s suitcase can hold more because it has a greater area.

A storage locker measures 5 feet by 6 feet by 14 feet. How much space in the warehouse will the storage locker occupy?

• 420 cubic feet

• 154 cubic feet

• 1,176 cubic feet

• 120 cubic feet

At Hal’s Shipping Store, the cost of mailing a box increases as the size of the box increases. Ming mails a box that measures 11 inches by 12 inches by 9 inches. Eli mails a box that measures 12 inches by 14 inches by 6 inches. Which statement is correct?

• Ming’s cost is less because her box has less volume.

• Ming’s and Eli’s costs are the same because the boxes have the same volume.

• Eli’s cost is greater because his box has greater volume.

• Ming’s cost is greater because her box has greater volume.

Angela is lining the bottom of some cabinet drawers with paper. How much paper will she need to cover the bottom of three drawers?

• 960 sq cm

• 480 sq cm

• 160 sq cm

• 2,880 sq cm

Which equation shows how to find the volume of the model?

• 8 × 5 = 40

• (2 × 8) + (2 × 5) = 26

• 8 × 5 × 4 = 160

• 8 + 5 + 4 = 17

Melinda is making a tin box shaped like a rectangular prism. For the base, Melinda cuts out a square with a side length of 12 inches. If Melinda wants the volume of the tin box to be 1,440 cubic inches, how tall should the box be?

• 12 inches

• 6 inches

• 10 inches

• 8 inches

Hannah used centimeter cubes to build the model shown below. Which equation can you use to find the volume of Hannah’s model?

• V = 6 + 7 + 3

• V = (6 × 7) + 3

• V = (6 + 7) × 3

• V = 6 × 7 × 3

A shipping clerk packs a box of cube-shaped notepads. He packs 8 layers of notepads with 8 rows of 6 notepads in each layer. How many notepads does the clerk pack?

• 336

• 112

• 96

• 384

The number cubes the fifth-grade math classes use are packed into a box. When the box is full, it has 5 rows of 4 cubes with 6 layers of cubes. Mrs. Benson sees that one layer of cubes is missing from the box. How many number cubes are in the box?

• 96

• 100

• 90

• 90