Khan Academy
Khan Academy: Volume With Unit Cubes 1
In this exercise, students practice figuring volume with unit cubes. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Volume of Rectangular Prisms With Unit Cubes
Find volume of 3-dimensional figures by counting unit cubes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.