8th Grade Volume of Prisms and Cylinders Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 8th Grade volume & capacity worksheet.
Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Volume & Capacity8th Grade Volume of Prisms and Cylinders Worksheet — Level 1 — Answers
Show your work. Volume is measured in cubic units (cm³).
1.A cube has edges of 6 cm. Find its volume.
Answer: 216 cm3
- V = side × side × side = 6 × 6 × 6
- = 216 cm3
2.A rectangular prism is 5 cm long, 11 cm wide and 8 cm high. Find its volume.
Answer: 440 cm3
- V = length × width × height = 5 × 11 × 8
- = 440 cm3
3.A rectangular prism is 15 cm long, 10 cm wide and 3 cm high. Find its volume.
Answer: 450 cm3
- V = length × width × height = 15 × 10 × 3
- = 450 cm3
4.A rectangular prism is 5 cm long, 3 cm wide and 2 cm high. Find its volume.
Answer: 30 cm3
- V = length × width × height = 5 × 3 × 2
- = 30 cm3
5.A rectangular prism is 4 cm long, 8 cm wide and 7 cm high. Find its volume.
Answer: 224 cm3
- V = length × width × height = 4 × 8 × 7
- = 224 cm3
6.A cube has edges of 9 cm. Find its volume.
Answer: 729 cm3
- V = side × side × side = 9 × 9 × 9
- = 729 cm3
7.A rectangular prism is 6 cm long, 6 cm wide and 6 cm high. Find its volume.
Answer: 216 cm3
- V = length × width × height = 6 × 6 × 6
- = 216 cm3
8.A cube has edges of 12 cm. Find its volume.
Answer: 1,728 cm3
- V = side × side × side = 12 × 12 × 12
- = 1,728 cm3
9.A cube has edges of 4 cm. Find its volume.
Answer: 64 cm3
- V = side × side × side = 4 × 4 × 4
- = 64 cm3
10.A rectangular prism is 4 cm long, 2 cm wide and 3 cm high. Find its volume.
Answer: 24 cm3
- V = length × width × height = 4 × 2 × 3
- = 24 cm3
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.