Volume by counting cubes
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. How many unit cubes were used to build this model?
2. How many unit cubes were used to build this model?
3. How many unit cubes were used to build this model?
4. How many unit cubes were used to build this model?
5. How many unit cubes were used to build this model?
Answer key · Volume by counting cubes
1. 8
The model is one layer: 4 cubes along the front and 2 rows going back.
4 × 2 = 8 cubes.
2. 15
The model is one layer: 5 cubes along the front and 3 rows going back.
5 × 3 = 15 cubes.
3. 10
The model is one layer: 5 cubes along the front and 2 rows going back.
5 × 2 = 10 cubes.
4. 9
The model is one layer: 3 cubes along the front and 3 rows going back.
3 × 3 = 9 cubes.
5. 4
The model is one layer: 2 cubes along the front and 2 rows going back.
2 × 2 = 4 cubes.
Try it together
Choose three objects at home. Estimate their measurements, then check together and explain the differences.