Volume is easier to reason about when students can see what is being counted. A rectangular prism is not just a formula; it is rows, columns and layers of cubic units.
The Daily Maths Review volume tool gives teachers a screen-based prism model with width, depth and height controls, prism and layers views, random examples and live labels for volume, dimensions and layers.
Start with cubic units
Before naming a formula, ask students what one cube represents and how the full prism is organised. This helps them connect the visible model with the total number of cubic units.
- Build a rectangular prism and read the width, depth and height.
- Ask students to predict the volume before checking the live label.
- Change one dimension and discuss which part of the structure changed.
- Switch to layers view and count the cubes in one layer.
Connect base area and height
The layers view makes the base area visible. Students can see that a prism with 12 cubes in each layer and 2 layers has 24 cubic units altogether.
Set the prism to 4 by 3 by 2, ask for the cubes in one layer, then ask why two layers gives 24 cubic units.
Move from model to practice
Once students can explain the prism structure, move to measurement practice questions. If they multiply without understanding what the numbers mean, return to the volume tool and rebuild the prism one dimension at a time.