Choose a mode
Drag to build, or use the − / + buttons to add rows and columns, then press Check
Drag to build, or use the − / + buttons to add rows and columns, then press Check
3D math game · Best for grades 3-4
Multiplication Arrays has students construct a 3-D cube grid by choosing the number of rows and columns, then pressing Check to confirm the product. Unlike the existing Multiplication Array game that presents a pre-built fruit grid, here students actively build the rectangle themselves — making the equation and its visual proof one action.
Building the array trains students to see multiplication as a rectangular area — rows times columns — rather than a sequence of additions. Choosing both dimensions themselves reinforces that either factor can be rows or columns, concretising the commutative property before formal proof.
For 4×6 the student sets 4 rows and 6 columns, filling a 24-cube rectangle. Rotating the view to see 6 rows of 4 makes 4×6=6×4 immediately obvious without any teacher explanation.
Students sometimes confuse rows and columns, placing 6 rows and 4 columns for a 4×6 prompt. The game accepts either orientation — the product is the same — helping them discover commutativity rather than treating the order as a rule to memorise.
Use it for individual practice, paired work, or a short class demonstration before worksheets.
Start with the game above, then continue with written practice to reinforce the skill.