Put your addition skills to the test with these puzzle boxes for second and third graders!

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

Get even more practice making balanced equations with this first-grade math worksheet!

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?

How fast can your child do his addition facts? Test his math skills with a fun basketball math sheet, and he'll practice doing one-digit addition equations.

Add some color to these Christmas presents in this color-by-number mental math worksheet. Kids will exercise addition and subtraction skills.

Little math learners can have a blast solving these Valentine's Day addition problems! Build basic math skills with this practice sheet.

Count and add the Halloween pictures in this simple addition worksheet!

Work with doubles and hone your addition skills in this helpful math worksheet!

Get even more practice making 9 using ten frames with this kindergarten addition worksheet!

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

See the associative property of addition in action with this first-grade worksheet!

Practice addition within 10 using ten frames with the help of this addition strategies worksheet! 

Draw on your knowledge of doubles to solve these addition problems!

Shape up your addition skills with these square puzzles!

This addition and subtraction math facts worksheets offers a winter sports theme.

Treat your little sweetheart to a fun math activity this Valentine's Day. He'll get to do some coloring as he reviews math facts.

Get more practice writing addition equations within 20 with this inviting and accessible math worksheet!

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 even more practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Practice identifying doubles facts with this appealing worksheet!

Doubling as a coloring page, this is not your average math worksheet. Children solve the addition problems using carrying, then break out the crayons.

Explore number bonds with this bright, engaging worksheet!

Practice addition and subtraction with this first-grade hundred chart worksheet!

Dive into addition within 10 with this fun cut-and-paste math worksheet!

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

Keep young minds sharp with another fun math maze!

Lettuce practice addition fluency skills with this first-grade worksheet!