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.

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.

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.

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.

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.

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.

Offering a lesson in place value and rounding, this addition worksheet is perfect for children tired of the usual addition worksheets.

Young addition whizzes get a run for their money in this 2nd grade math worksheet that combines two-digit addition, place value, and rounding!

Your child can dance his way to arithmetic success with this cheerful 2nd grade addition worksheet that includes lessons in analyzing place value and rounding.

Teach your child how to round to the nearest hundred with this 2nd grade math worksheet that includes two-digit addition and rounding.

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

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.