Step 2 Objective
Round any positive integer less than 1000 to the nearest 10 or 100.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
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?