An area model is a rectangular grid that can help you solve multiplication problems. The process is similar to how you find the area of a rectangle. Two-digit numbers can be partitioned into smaller ...

The array can be shown as 5 groups of 3 showing that 5 x 3 = 15. Or it could be shown as 3 groups of 5 showing that 3 x 5 = 15. This demonstrates that multiplication is commutative. Image caption, ...