Each ten frame has ten boxes. Some boxes have red chips and others don't. If the top half of the ten frame is filled with red chips, how many are left? 10-5=5.

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

Ho ho ho! Santa has left lots of colorful presents filled with addition facts for your first grader to practice.

Enjoy an egg-cellent Easter review of addition facts! Hunt for a solution in each colorful egg, with simple addition problems for your first grader to solve.

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!

Challenge your child to add three, four, and five numbers together. He may find the task daunting, but there's a trick to add multiple numbers that will help!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Help your little one practice her adding subtracting skills with this game of ten frames! Each ten frame has a set of ten boxes.

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.

Practice adding doubles facts with this engaging worksheet!

Cut and paste your way to doubles fact mastery with this fun math activity!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

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

Boost your addition skills with this hundred chart worksheet for first and second graders! 

Learn a new addition strategy using ten frames in this first-grade math worksheet!

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

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

Get more practice adding tens on an open number line with this first-grade math worksheet!

Get even more practice adding tens on an open number line with this first-grade math worksheet!

Test your addition skills with this charming doubles worksheet!