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

The ball is in your court as you solve these addition problems!

Let’s see how well you know your addition facts!

Did you know math could be fun? Your child can practice her addition facts as she colors the picture.

Elephants may never forget, but they don't know how to count.

It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.

Orange you glad you know your addition facts? Build fluency skills in this first-grade worksheet!

Did you know there is math in the Olympics? Swim your way to the gold by adding multiple sets of double-digit numbers.

Shoot for success in this basketball-themed addition worksheet!

Help Santa color his gifts. With some math know-how and a few festive crayons, your child just might save Christmas.

Sharpen second graders' hundred chart know-how with this addition worksheet!

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

How much sporting fun could your kid have with all these balls? We'll never know, but he can definitely learn to count and add with this fun worksheet.

Second graders hone their double-digit addition skills and carrying know-how as they complete this 12-problem math worksheet.

Do your students know how to solve word problems without a given operation? This mixed operation assessment can help you gauge student understanding of two-digit subtraction and addition word problems.

You don’t need to know magic to make addition sums to appear out of thin air!

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.

Know a second grader who could use stronger math skills? Give her a helping hand with this super power-infused, two-digit addition worksheet.

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

Introduce your preschooler to simple addition with this series.

Assess your students’ knowledge of decimal concepts up to the hundredths place!

A board game perfect for sharpening your 1st-grader's addition skills.

Help your preschooler learn the basics of math with these simple addition problems and flashcards.

If your little mathematician helps out Ted the Farmer, he'll get some great addition practice as he assists a friend.

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

Provide your second grader with some at-home double-digit addition assistance with this cleverly-adorned worksheet!

Print out this fun KenKen® puzzle for your student! It's a beginner puzzle that uses just addition.

Give your kid practice deciding when to use addition and when to use subtraction with this word problem mix-up.

Don't get spooked out by math! These Halloween word problems bring some scary fun to your math exercises.