Today we learned about square and rectangular numbers! But why do we call some numbers square and others rectangular? A number is considered a square or rectangular number based on the shape it makes!

WATCH: What is a factor? A factor is a number that divides into another number exactly, without leaving a remainder. Find out in this KS3 Bitesize maths guide. WATCH: How to find factors using ...

A factor is a number which divides into another number, without leaving a remainder. Factors should be whole, positive numbers. Factors always come in pairs. This pair will always multiply together to ...