Step 9 Objective
Recognise that measurements given to the nearest whole unit may be inaccurate by up to one half of the unit in either direction.
- 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?
Make links to rounding to the nearest whole number.
If necessary use a number line to explore the range of measures that would be expressed to a given whole unit. Consider problems in context, e.g. if the distance between two towns is 12 miles, what is the minimum distance? What is the maximum distance?