Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 by 2 grid to multiply a 2-digit number by another 2-digit number. Label the ...

It’s been a while since we’ve done any kind of math by hand, so please forgive our ignorance of this exercise being taught in some elementary schools: the diagonal multiplication grid. We agree with ...

I am a support assistant. The class teacher has allowed the pupils to do long multiplication in a new way they have been taught at primary school. They get the right answer by filling in a diagonal ...