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, ...

Mrs Sharma: Oh no, that’s far too many. How about…three? Mr Sharma: Three is definitely not enough, we need four sausages for each child. Mrs Sharma: Ooo…let’s count it out, what can we use? I know, I ...