Practice Volume of Rectangular Prisms in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

The volume of a rectangular prism is the number of unit cubes that fill the solid, calculated by multiplying length, width, and height.

Imagine filling a box with small cubes — the total number of cubes is the volume.

Showing a random 20 of 50 problems.

Example 1

easy
How many unit cubes fit in a 2 × 2 × 2 box?

Example 2

medium
How many 2 cm cubes fit in a 6 cm × 4 cm × 4 cm box?

Example 3

easy
What is the formula for the volume of a rectangular prism?

Example 4

easy
A box has volume 30 and base area 6. Find its height.

Example 5

easy
How many unit cubes fit in a 3 × 3 × 3 box?

Example 6

easy
A cube has volume 27. Find its edge length.

Example 7

easy
A box has volume 48 and base area 8. Find its height.

Example 8

medium
A cube has volume 125 cm³. Find its edge length.

Example 9

hard
Two boxes have the same volume. Box A is 6 × 4 × 5. Box B is a cube. Find the edge length of B (decimal OK).

Example 10

medium
A pool is 10 m × 5 m × 2 m. How many cubic meters of water fill it completely?

Example 11

challenge
A 5 × 4 × 3 box is fully packed with 1 × 1 × 1 unit cubes. If you remove the cubes that touch any outer face, how many cubes remain?

Example 12

hard
A 3 × 3 × 3 cube is painted on all faces, then cut into 1 × 1 × 1 unit cubes. How many unit cubes have NO paint?

Example 13

challenge
A box with square base of side x and height 10 must hold at least 250 cm³. Find the smallest integer x.

Example 14

easy
Find the volume of a box 5 × 4 × 3.

Example 15

easy
Find the volume of a cube with edge 4.

Example 16

hard
A 4 × 4 × 4 cube is painted on all faces, then cut into unit cubes. How many unit cubes have paint on exactly two faces?

Example 17

easy
If you double the height of a box, what happens to its volume?

Example 18

medium
If each edge of a cube doubles, the volume multiplies by what factor?

Example 19

medium
A fish tank is 60 cm × 30 cm × 40 cm. How many liters does it hold? (1000 cm³ = 1 L)

Example 20

medium
A box is 12 × 5 × hh with volume 240 cm³. Find hh.