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

Kids look for keywords to determine how to solve each problem with this three-step addition worksheet.

Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

Get your drawing hand ready! This addition page is all about visualizing the problem before solving it.

Help your first grader practice math with this fun printable worksheet, which is all about addition.

Give your child practice with his math skills with this first grade worksheet, which is all about addition.

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Looking for a first grade worksheet to help your child with math skills? This printable is all about solving word problems with animal addition.

Looking for a worksheet to help your child with his math skills? This printable is all about solving word problems at the toy store.

This colorful, first grade addition worksheet really has it all: practice with addition word problems, counting, and drawing!

Make making ten a game with this extra-easy addition card game that comes with all the supplies you need.

Happy Valentine's Day! Your first grader will color all the candies in this heart-shaped box while solving some sweet math problems.

Test your child's math handling skills with a fun addition worksheet. He'll practice his addition facts, and soon he'll be an all star!

Here's a supplemental math activity that beats boring textbook math. Your child will work on his addition facts, practicing to become an addition all star!

Is your child an addition all star? Test his math handling skills with a fun basketball math sheet, where he'll work on one-digit addition facts.

This springtime garden scene needs some brightening, and your child can help! All she needs to do is complete the simple addition problems and color by number.

Make math fun with some basketball addition. Your child will get to work on his addition facts (single digit addition equations). Soon he'll be an all-star!

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.

A colorful lollipop and ribbon is all you need to ignite your child's love of math! Solve each equation, and use the sums to fill in blank spaces with color.

Enhance your addition skills with this colorful first-grade worksheet about making 10!

This round-up of addition word problems contains some cute images that get kids thinking about basic addition in a new way.

Flip dominoes around to learn about the commutative property of addition in this engaging worksheet!

Have your child work backwards to solve addition problems and learn more about the additive inverse.

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

Kids will learn more about inverse operations by reviewing their subtraction problems. Use addition, the inverse of subtraction, to review problems.