Step 10 Objective
Understand upper and lower bounds.
- 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?
Explore use of upper and lower bounds in a range of practical contexts, e.g.
- Attendance at football match given to 2 s.f.
- Population of a country given to 2 s.f.
- Distance between two places given to nearest km
- Height of a person to nearest cm
Ask pupils to identify situations where the inaccuracies of presenting rounded data might cause problems.