Examples of what pupils should know and be able to do
Probing questions
I rounded a number to the nearest 10. The answer is 340. What could I have started with?
The local newspaper said that 800 people attended the school summer fair. This was given to the nearest 100. What is the smallest number of people that could have attended? What is the largest number?
What tips would you give someone who is learning how to round numbers to the nearest 10 or 100?
What if pupils find this a barrier?
Use real-life contexts that pupils are confident with.
Some pupils will be able to round numbers up to 100 to the nearest ten, but cannot round 562, for example. It is worth emphasising that 560 is 56 tens.
- TL4Y7 Number 3 N3.1 - Acrobat pdf document (55Kb) - adapt to fit the objective
- Number line ITP - Zip file (459Kb) will provide a useful visual image to help pupils round.
- Measuring cylinder ITP - Zip file (461Kb) can be used to practise rounding.
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