Step 4 Objective
Reduce a fraction to its simplest form by cancelling common factors.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Examples of what pupils should know and be able to do
Recognise that:
- a fraction such as
can be reduced to an equivalent fraction 
by dividing both numerator and denominator by the same number. - a fraction such as
can be changed to an equivalent fraction 
by multiplying both numerator and denominator by the same number.
Recognise fractions that are equivalent to 
, 
and other unit fractions.