A LITTLE LIGHTBULB MOMENT
Geometry foundations
Cube volume is side cubed
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Three side-length snacks make a cube feast.
The idea behind the cue
A cube of side s has volume s³.
Practice this flashcard →Make it memorable
Short & simple
Three side-length snacks make a cube feast.
Acronym
SSS: Side × Side × Side.
Story
A cube stacks side-length rows into side-length layers: three equal dimensions multiply.
Connect the pieces
- Three lengths → cubic units
Know the limits
Use the same units for all dimensions.
OpenStax · contemporary-mathematics (reference) ↗Check your understanding
A cube has side length 3 cm. Its volume is:
A. 27 cm³
B. 9 cm³
C. 18 cm³
D. 3 cm³
Reveal explanation
27 cm³
A cube of side s has volume s³.