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Rounding to the Nearest 100

Remember, to the nearest 10, you have to look at the last digit of the number. 

To round to the nearest 100, you have to look at the last two digits.


For example: 

267 is nearer to 300 than it is to 200 

243 is nearer to 200 than it is to 300 


If the last two digits are less than 50 you round down

If the last two digits are 50 or over you round up 


Example 

The distance from Auckland to Wellington is 649km. Round off the distance to the nearest 100. 

649 rounds down to 600. 

Therefore, the distance from Auckland to Wellington is approximately 600km. 

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