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

Math whizzes can learn to estimate sums quickly using front-end estimation! Round to the highest place value and then add or subtract the rounded numbers.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

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

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.

Children practice rounding to the nearest thousand in this rounding and place value worksheet.

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

Kids practice rounding to the nearest ten, hundred, and to the place value underlined on this math worksheet.

Get your lasso ready, it's time to round up the hundreds herd! Your rounding rancher will practice estimating numbers to the nearest hundred.

Saddle up, it's time to round up this herd of sheep! Your math cowboy will practice rounding to the nearest ten with this worksheet.

Hone your rounding skills with this colorful worksheet!

Help your child get comfortable with rounding numbers to the nearest ten with this sea-themed worksheet.

Should you round that number up or round it down? Help your seafarer master the art of rounding with this fun fish color by number.

How quickly can your math master round and add up these sums? Help him build a valuable math skill with this estimation worksheet.

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

Rounding numbers can be tricky. Teach your third graders the rhyme five or more up the score, four or less let it rest.

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

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

Hone your rounding skills with this helpful worksheet!

Round 'Em Up! Kids learn how to round to the nearest ten and the nearest hundred on this third grade math worksheet.

Learn your way around rounding with this essential worksheet!

Develop your rounding skills with this helpful worksheet!

Master rounding to the tens place with this engaging worksheet!

Students will practice using vertical number lines to round three-digit numbers.

This watery worksheet is the perfect way to teach your child how to round to the nearest hundred.

Use this math worksheet to round three-digit numbers using vertical number lines.

Looking for a worksheet to help your kid with number rounding skills? This printable will help him with third grade math skills.

Teach your child how to round to the nearest hundred the fun way with this sea-themed worksheet featuring a swimming sea turtle and some sea stars.

Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

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!