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St Francis de SalesCatholic Junior School

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18/09/2018 - Rounding Numbers: Reasoning Challenge!

Following work on rounding to the nearest 10 and 100, some Year 4 pupils faced the following challenge: 

 

Using the digit cards 0-9, work together to make numbers that fit the following rules. You can only use each digit once.

 

1.) When rounding to the nearest 10, I round to 20.

 

2.) When rounding to the nearest 100, I round to 300.

 

3.) When rounding to the nearest 100, I round to 1,000.

 

Pupils had to make as many different combinations as they could to fit the above rules. What a challenge!

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