How it works
A unit cube is one cubic unit. Volume is how many cubes fill a solid.
Count the cubes, even the hidden ones.
Volume is measured in cubic units.
Worked examples
Pack a box
- A box is 2 cubes long, 4 wide and 1 tall.
- One layer of 2 × 4 = 8 cubes.
- The volume is 8 cubic units.
The unit
- Volume is measured by filling with cubes.
- We say cubic units.
- A cubic unit is one cube.
Hidden cubes
- A box is 2 by 2 and 4 tall.
- Each layer has 2 × 2 = 4 cubes, and there are 4 layers.
- 4 × 4 = 16 cubes in all.
A taste of the worksheet
These are the first problems of set A. The printable sheet has many more, with an answer key.
- Each cube is 1 inch on every side. The box is full of cubes. What is its volume in cubic inches? ___
- Each cube is 1 foot on every side. Count the cubes in the box. What is its volume in cubic feet? ___
- Each cube is 1 inch on every side. What unit measures the volume of this box?
- Count every cube, even the hidden ones at the back. What is the volume in cubic units? ___