Common Core Math Vocabulary

Unit Cube - Definition with Examples

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What is a unit cube? 
In geometry, a unit cube is a cube whose each side is 1 unit long. 
 
unit cube
 
The volume of a 3-dimensional unit cube is 1 cubic unit, and its total surface area is 6 square units.
 

  Fun Facts

  • All 6 faces of a unit cube are square.
 

let's do it Let's do it!

While solving word problems on finding the volume of a solid shape, discuss and show how a unit cube is used to measure the volume of a cube or rectangular prism in cubic units.
 

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