7th Grade U5 pt 2 Corrections

1. A large game cube with a three-inch side length is wrapped with shrink wrap. How many square inches of shrink wrap will be needed to wrap ten game cubes?

• A. 450 in²
• B. 540 in²
• C. 270 in²
• D. 720 in²

2. The net below represents which 3D figure?

• A. rectangular pyramid
• B. cube
• C. rectangular prism
• D. square pyramid

3. If the surface area of a cube is 160 in², then which best describes the length of an edge of the cube?

• A. less than 3 inches
• B. between 3 and 4 inches
• C. between 4 and 5 inches
• D. greater than 5 inches

4. Find the surface area of the cylinder

• A. 70.2 in²
• B. 51.81 in²
• C. 82 in²
• D. 220.6 in²

5. What is the total surface area of the figure below?

• A. 359.1 cm²
• B. 275.1 cm²
• C. 400 cm²
• D. 317.1 cm²

6. Anna has purchased three gifts for her closest friends. She decides to wrap them in holiday paper. How many square inches of wrapping paper will she need if the boxes are cubes with a side length of 7 inches? Find the surface area and multiply by 3 for 3 gifts!

• A. 294 in²
• B. 49 in²
• C. 588 in²
• D. 882 in²

7. A jewelry box has the dimensions of the net shown below. How much wrapping paper is needed to wrap the jewelry box?

• A. 80 cm²
• B. 112 cm²
• C. 132 cm²
• D. 216 cm²

8. What is the combined surface area of the two rectangular prisms?

• A. 314 in²
• B. 376 in²
• C. 690 in²
• D. 724 in²

9. De’Andre is determining the volume of the triangular prism below. Which expression will give him the correct value of B, the area of the base?

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10. Yolanda is going to slice the cube shown below. Which direction of the cut will result in a 2D cross section that is shaped like a square?

• A. Perpendicular to the base
• B. Parallel to the base
• C. Both A and B
• D. Neither A nor B