Practice measurement with this colorful worksheet. Students will first make an estimation, and then measure with a ruler.

Estimation is an important part of math and science. Practice estimating length by using your best guess!

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.

Kids practice time, estimation, and working with tables as they estimate how long it will take them to do an activity, then time themselves doing it.

Even snacktime can be educational! Use this engaging worksheet to teach students about estimation and measurement in the metric system.

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

Help your child practice his skills in estimation with this printable worksheet, which asks him to guess the weight of different objects.

Kids get a lesson in estimation as they color objects that weigh more than a pound red and objects that weigh less than a pound blue.

Help your child practice his skills in estimation with this printable worksheet, which asks him to assess the length of household objects.

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 fourth grader will practice rounding decimals to the nearest whole number, converting decimals to percents, and more!

Kids will get a kick out of this fun measurement activity! Use these giant sneakers during your unit on nonstandard units of length or to discuss concepts like estimation with students.

Giddyap and go round decimals in this fifth-grade worksheet!

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.

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!

This scaffolded worksheet will help children learn the basics of rounding.

Practice using a number line to round decimals to the nearest whole number, hundredth, and thousandth place.

Children practice comparing and rounding decimals in this math practice worksheet.

Kids practice two-digit subtraction and rounding in this challenging 2nd grade math worksheet.

Learners round decimals and fractions to the nearest whole number in this practice worksheet.

Use this glossary with the EL Support Lesson: Decimal Multiplication Estimations.

Children practice comparing and rounding sets of decimals in this math worksheet.

Children practice comparing and rounding sets of decimals in this math worksheet.

Practice rounding multi-digit numbers with this quiz-style worksheet!

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