Year 4 Place Value – What is my original number?

Round any number to the nearest 10, 100 or 1,000.

Investigation sheet


Investigation: What is my original number?




I have rounded a number to the nearest 100.

My answer is 900.


Can you work out what my number could be based on these clues:

My number is odd.
There is one 8 in my number.
The sum of the digits in my number total 22.

Think about the different strategies that you could use. Which sets of numbers can you eliminate immediately?


The three numbers that could round using these parameters are

859, 877, 895.