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.

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

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.

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.

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

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.

Develop your rounding skills with this helpful worksheet!

We make "guesstimations" all the time in everyday activities, from shopping to cooking. Help your child make estimations with measurements.

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!

Knowing how to use a ruler is an important life skill! Help your second grader measure these musical instruments, practicing with both inches and centimeters.

Bring an everyday skill to the table by helping your child try and "eyeball" a measurement for each item in inches and centimeters.

Don’t let estimating and measuring bug you—strengthen your skills with this fun second-grade worksheet!

Take a tour of items in your home as you practice estimating length in this engaging worksheet!

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

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

Your child can get some practice with basic ruler measurements with this tree measuring worksheet!

Turn your child's competitive nature into a learning exercise with this energetic worksheet. How many times can he do each action in 1 minute?

Estimate the length of sticks, leaves, flowers, and more in this colorful measurement worksheet!

Assess your ability to add and subtract tens with this second-grade math worksheet!