Ninjas can be very mysterious and secretive. Solve the riddle with some addition to unlock one of their secrets!

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

Get practice with addition facts within 20 with this colorful kindergarten math worksheet!

Practice writing addition equations within 20 with this inviting and accessible math worksheet!

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

For double-digit addition practice, try this second grade math worksheet. Don't forget to carry that one!

Keep the holiday spirit alive as your little one reviews his addition and subtraction with these Christmas word problems!

Don’t let two-digit addition intimidate you; instead, use compensation to make friendly tens!

Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!

Learn a new addition strategy in this essential worksheet!

Learning addition is as easy as 1-2-3! Give your child a head start on addition with this counting worksheet.

Print out this spring-themed addition worksheet and make the next rainy day an educational one for your first grader!

This addition worksheet teaches your kid one way to solve multiple-step word problems by using a number line.

Review addition fact families with your child to help him reach for the stars! A mix of addition and subtraction will sharpen his math skills.

Practice adding tens on an open number line with this first-grade math worksheet!

Lengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

Hit one out of the park with some baseball addition! Your child will get to practice and start memorizing his addition facts.

Kindergarteners practice representing equations using ten frames in this addition worksheet!

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

This busy beaver is boosting his addition skills one problem at a time. Help your kid get in on the addition fun!

Build basic math skills with this practice sheet, full of one-digit addition equations for your child to practice and start memorizing.

Students draw ten and one dollar bills for practice adding multiples of ten to two-digit numbers in this money math worksheet.

Create models of addition problems with this compensation worksheet for second and third graders!

Make math practice fun with some baseball addition! Your child will get to practice his addition facts (simple one-digit addition problems).

Your little one will love practicing basic addition with this Valentine's Day worksheet! She'll do some coloring as she solves each equation.

Keep math skills sharp this holiday season! Your little one can practice his addition and subtraction with these Christmas word problems.

This charming addition worksheet will provide your second grader with some valuable double-digit training while keeping him entertained!

This second grade worksheet is two activities in one, offering two-digit addition practice and coloring, too!