Prime factors and factor pairs- Starts with discuss and apply finding prime factors of numbers, followed by a series of differentiated question sheets on finding prime factors and factor pairs. If you have time 5min there is an oral exercise, where you randomly select pupils to state a prime factor or factor pair from the screen. There are 3 seperate levels of questions running at the same time, Circles, Squares and Ovals. Another free resource from 12xtables.co.uk