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?
Probing questions
What are the advantages of estimating answers before calculating?
Talk me through your thinking when deciding how to get a reasonable estimate for a calculation, for example:
103 × 0.44
√(16.1)