So 20, 30 and 40 are multiples of 10. A factor is any number that is evenly divided into another. For example, 2 and 5 are both factors of 10. Exercise that looks at patterns of multiples in the ...

Welcome to the desert of factors, multiples and primes ... This short film is suitable for teaching maths at KS2 in England, Wales and Northern Ireland and 2nd Level in Scotland.