This rounding worksheet helps your students practice rounding three-digit numbers to the nearest hundreds, tens, and ones.

On this third grade math worksheet, kids round to estimate the sum of two numbers, a useful strategy for checking the results of calculations.

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

Practice rounding to the tens and hundreds places with this essential rounding worksheet!