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: Thinking Deeply About Word Problems.

Use these vocabulary cards with the EL Support Lesson: Thinking Deeply About Word Problems.

Featuring word problems all about shopping and money, this worksheet is a great way to practice 3-digit addition.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

Teach your child about customary measurement and number lines with these addition word problems.

These Halloween word problems get your child in a frightful mood for All Hallows' Eve. Help your child practice some Halloween math with these word problems.

The triathlon is a fascinating sporting event, and a great opportunity to learn about addition and comparison.

Groups of ten make addition a breeze! Use this nifty worksheet to learn about the "circle ten" shortcut.

In this worksheet that contains a storyline about a bakery, students will solve two-step, three-digit addition problems.

Teach your child about inequality statements with this cheerful 2nd grade addition worksheet.

If your second grader has an affinity for florals, this adorable worksheet may get her excited about addition!

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

Measure your way to the right answer by using this handy number line to solve word problems about adding length.

This "beadtastic" addition worksheet will get your first grader practicing double-digit addition and thinking about some of the real world uses for math!

These Christmas word problems will get your child doing math as he thinks about presents under the tree. Try these word problems with your child.

This worksheet shows your child how to use thermometers like numbers lines in order to solve addition and subtraction word problems about temperature.

If your second grader is confused about carrying, give him some extra practice with this brand new concept by asking him to complete this colorful printable.

Introduce this graphic organizer as a way to help students think about whether or not certain rules or characteristics apply to mathematical ideas always, sometimes, or never.