To round a number to the nearest 10,000, check the thousands digit to decide whether to round up or round down.
If the thousands are 5000 or more, round up. If they are 4999 or less, round down.
Example => 44,999 to the nearest 10,000 is 40,000, but
45,000 to the nearest 10,000 is 50,000.
To round a number to the nearest 100,000, check the ten thousands digit to decide whether to round up or round down.
If the ten thousands are 50,000 or more, round up. If they are 49,999 or less, round down.
Example => 449,999 to the nearest 100,000 is 400,000, but
450,000 to the nearest 100,000 is 500,000.
Now try a few practice questions!
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