Learn how to multiply and divide by numbers between 0 and 1. For students between the ages of 11 and 14.

In this KS2 Maths article you'll explore how to divide and multiply by 0, 1, 10 and 100. We also have KS2 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.