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.

Karatsuba’s divide-and-conquer multiplication algorithm takes advantage of this saving. Consider a multiplication algorithm that parallels the way multiplication of complex numbers works.

Gyaltsan, a Tibetan man from Nyingchi city in the Tibet autonomous region, has created a new type of multiplication chart that helps primary school students calculate faster.