Step 7 Objective
Make and justify estimates and approximations of calculations.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
What if pupils find this a barrier?
Give pupils plenty of opportunities to practise using and justifying estimates. Encourage pupils to use the context of a problem to check whether an answer is sensible. Highlight the different ways of rounding by encouraging pupils to use their own strategies and then discussing or evaluating them.