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Adding large numbers becomes easy when you know how to round. Add two groups of numbers, round them to the nearest 10, then add again.

Your student will practice her rounding skills with this multiple choice worksheet. Once she's done, she'll be an expert at rounding up and down.

Use this glossary with the EL Support Lesson: The Rhyme and Reason for Rounding.

Use these vocabulary cards with the EL Support Lesson: The Rhyme and Reason for Rounding.

Show your understanding of place value and rounding with this comprehensive number sense assessment worksheet!

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.

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!

Get ready to round with this helpful second- and third-grade math worksheet! 

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.

Your students will apply their understanding of place value and number sense as they complete this math problem set.

Searching for a worksheet that practices rounding numbers and subtraction skills? This printable uses estimation to subtract three digit numbers.

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

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

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

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

Ones, tens, and hundreds! Oh My! With this worksheet, your student will find the place value of a digit in a number.

Give your little one a hand and help her hone her rounding skills. She will practice her rounding skills by answering the various questions.

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

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.

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.

Give your students targeted practice rounding multi-digit whole numbers with this one-page number sense worksheet!

Learn your way around rounding with this essential worksheet!

Round two-digit numbers to the nearest 10 with this essential 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.

Does your child need practice with his math skills? This printable first grade worksheet will give him practice rounding whole numbers to the nearest ten.

Develop your rounding skills with this helpful worksheet!

Use the worksheet Census Data 2017: Working for a Living 2 to help learners round the total number of workers to the nearest hundred millions place.