Time for a numbers round-up! Rounding and estimation are important math concepts that will help boost your child's mental math skills.

Offering practice rounding to the nearest ten, hundred, and thousand, this worksheet is sure to help your child rocket to rounding mastery.

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

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!

This worksheet will challenge your third graders to round numbers and then them. Students will answer multiple choice questions by rounding up or rounding down numbers in the problems provided.

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