Children practice addition within 20 in this fall-themed math worksheet.

Looks like the Easter bunny has left some colorful treats for a special student! She'll need to solve all the simple addition problems in each egg.

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.

Children practice addition within 20 in this fall-themed math worksheet.

Prepare your first grader for Valentine's Day with these sweet math problems to help her review her addition math facts.

Put a little love into math practice with these sweet Valentine's Day addition problems, where your first grader can review his math facts.

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

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

Children practice addition within 20 in this fall-themed math worksheet.