For example, to round the number 1,121,565 to the nearest million, look at the digit in the hundred thousands column. To round a number to the nearest 10, look at the ones digit. If the ones digit ...

When rounding to the nearest 100, numbers with 50 in the tens column are rounded up to the next hundred. For example, 450 would round up to 500. Numbers below 50 are rounded down. When rounding to ...