KS2 Maths. Maths Challenge 1. Ralph and Matrix have another mental maths quiz and this time the focus is multiplication. BBC School Radio. BBC Teach.

In this KS1 article you'll learn how to solve multiplication and division problems using an array. We also have a KS1 Maths videos, a quiz and lots of examples.

Having also established theoretically why the array representation might support children's understanding and reasoning, we describe the results of a study which looked at children using the array for ...