WT 397

Page 397

Rounding Numbers

You can round a number to the nearest ten, hundred, thousand, or even million.

Rounding to the Nearest Ten

If your number is 32, 32 is closer to 30 than to 40. So, 32 rounded to the nearest ten is 30.

The number 36 is closer to 40 than to 30. So, 36 rounded to the nearest ten is 40.

Numbers ending in 1, 2, 3, or 4 are rounded down. Those ending in 6, 7, 8, or 9 are rounded up. And even though 5 is right in the middle, it is rounded up. So, 35 rounded to the nearest ten is 40.