Grade 5MathVolume of rectangular prisms with unit cubes and formulas

Volume of Rectangular Prisms

How many cubes fit inside? 10 volume problems using unit cubes and length x width x height. Free printable PDF with answer key.

10 problems · Standards: 5.MD.C.5 · Difficulty: medium

✅ Answer key included · ✅ Free for home & classroom use

Highlights

1. A rectangular prism has a length of 4 cm, a width of 2 cm, and a height of 3 cm. What is its volume?
2. A box measures 5 inches long, 5 inches wide, and 2 inches tall. Find the volume.
3. A rectangular prism is built with unit cubes. The bottom layer has 12 cubes arranged in 3 rows of 4 cubes. There are 2 layers. What is the volume?
4. A storage container is 6 feet long, 3 feet wide, and 4 feet high. What is the volume of the container?
5. Maya builds a rectangular prism using unit cubes. It is 7 cubes long, 2 cubes wide, and 5 cubes tall. Find the volume.
6. A rectangular fish tank has dimensions of 8 inches by 6 inches by 10 inches. Calculate its volume.

Showing 6 of 10 problems. The free PDF includes every problem plus the full answer key.

The free PDF includes all 2 pages — every problem plus the full answer key.

10 problems across 2 pages (worksheet + answer key)
Answer key included — every answer, ready to check
Standards: 5.MD.C.5
Skill: Volume of rectangular prisms with unit cubes and formulas
Suggested use: morning work, classwork, homework, math centers, or sub plans

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