What's seven times nine? Quick, you've got six seconds to answer. This June, over 600,000 children in England in year four, aged eight and nine, will be expected to answer questions like this. They ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Fluency in third grade means knowing, from memory, all products of two one-digit numbers. Your child’s introduction to multiplication is through repeated addition. He will draw an array to visualize, ...

Multiplication is calculating the sum of groups of the same size. There are lots of ways to build and describe multiplication problems. Using repeated addition, you can add equal groups together, one ...