These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

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.

Use this language routine to elicit meaningful conversation among your students! Will students be able to solve the problem by asking their partner for the information they need?

Use this language routine to elicit meaningful conversation among your 2nd grade students! Will students be able to ask their partners for the information they need to name that shape?

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

In this measuring exercise, your child can use her measuring know-how to get the signs' dimensions, then record them for Bobby.

This beachy base 10 worksheet tests your child's knowledge of numerical value. Have her write numbers from largest to smallest with greater than signs.

Is your child comfortable with adding double-digit numbers? If he's getting there here's a different take on addition problems!

Your young learner can have a blast experimenting with addition facts in the Math Lab!

Greater than or less than? Challenge your second grader to explore number comparisons with this cheerful worksheet!

In this worksheet, your child will solve two-digit addition problems, then choose the symbol that correctly completes each inequality.

Get practice balancing addition and subtraction equations with this lower grades math worksheet!

Speed through subtraction problems in this second-grade worksheet!

Get more practice balancing addition and subtraction equations with this lower grades math worksheet!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

Children learn how to compare numbers using the greater than and less than symbols in this cheerful 2nd grade addition worksheet.

An adorable whale is here to help your child practice addition and learn about inequalities in this cheerful 2nd grade math worksheet.

Start your engines and rush toward the finish line in this engaging addition worksheet!

Children learn to identify dollars, cents, and other currency terminology in this money math worksheet.

Become a number detective in this riddle-filled worksheet!