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.

These estimation slips can be adapted to suit any math or measurement activity in which children are asked to make an estimate and record how they came up with their estimate.

Use this glossary with the EL Support Lesson Plan: The Language of Estimation.

This math worksheet gives your child lots of practice with front-end estimation, addition, and subtraction.

Use these vocabulary cards with the EL Support Lesson Plan: The Language of Estimation.

Is a giraffe more likely to be 15 feet tall or 25 inches tall? You probably don't need to get out your ruler to get to the correct answer. Assess student understanding of inches, centimeters, feet, and meters with this estimation check-in.

On the road to advanced math, make a stop at estimation station! This worksheet will help your child practice making "guesstimations" about length.

Size up these barn animals with your little farmer. Help him learn to eyeball things by using his knowledge of how long an inch is.

Rounding can take some practice. Give your student the opportunity to master the art of rounding. Use the chart to help him figure out the answers.

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

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.

Make learning metric units easy with this colorful estimation worksheet!

Master measurement with a fun estimation activity! Help your child practice "eyeballing" these measurements in inches and centimeters.

Rounding in centimeters sounds tricky, but it's simple, really. This ruler worksheet is sure to help your child wrap her head around this math concept.

Chances are your child knows how to round, but how about rounding in inches? Help him tackle this concept with an exercise in measuring to the nearest inch.

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.

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

Get your second grader acquainted with pounds, a unit of weight, with this estimation worksheet.

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.

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.

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.

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.

Develop your rounding skills with this helpful worksheet!

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

With lessons in place value and rounding, this addition worksheet offers young 2nd grade math whizzes a worthy challenge.

Your child will practice two-digit addition and rounding to the nearest hundred in this challenging 2nd grade math worksheet.

Combining place value, rounding, and advanced two-digit addition, this 2nd grade math worksheet offers young mathematicians a worthy challenge.

This challenging, multi-step 2nd grade math worksheet offers practice in two-digit addition with carrying, place value, and rounding.