###### What is a Cubic Unit? - Home Campus.

Basic worksheets for introducing the concept of volume as cubic units. Students will count the cubes to find the volume of the shapes. For worksheets on calculating the volumes of solids using measurements and formulas, visit our Volume Worksheets. Volume Cubes Basic. Volume Cubes (Basic) FREE. Count the number of cubic units in each shape and write the volume. There are no hidden cubes on.