Learners will answer 20 problems designed to assess their understanding of addition and subtraction facts within 20 in this engaging math worksheet.

Your first grader will soar high above the skies as he completes addition problems with sums of 9 or less in this math worksheet.

Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

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

Boost your child's arithmetic skill and addition facts fluency with this bubbly worksheet that offers single-digit addition problems with sums of 9 or less.

Put a little love into math practice with these sweet Valentine's Day subtraction problems. Your first grader can start memorizing 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.

Turn a snow day into a math day with this winter-themed first grade addition worksheet that offers single-digit problems with sums up to 9.

Celebrate Valentine's Day while reviewing math facts! Your little one can solve these addition problems, and soon he'll be able to memorizing them.

Give your little lucky charm a fun way to practice math this St. Patty's Day! He'll have 12 simple subtraction problems to solve.

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.

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

Celebrate Valentine's Day and practice math at the same time with this first grade addition worksheet. Use the kisses to help you solve the problems.

Introduce your child to beginning addition with this colorful first grade math worksheet offering addition problems with sums up to 9. Up, up, and away!

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

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.

Spark some campfire math magic with this worksheet made for first graders!

Leap into learning like a hungry frog snapping up flies with this math worksheet for first graders!

Don’t shy away from spelling practice; throw yourself into digraphs with this colorful worksheet!

Speed toward subtraction mastery with this inviting first-grade worksheet!

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

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

This worksheet is a recipe for expertise in addition and subtraction facts!

Ready, set, go! Start the timer and get going on this one-minute math addition practice.

Strengthen your fluency skills with this beach-themed addition worksheet for first and second graders!

Master simple addition and subtraction facts with this inviting math worksheet!

Build single-digit subtraciton skills with this math worksheet.

Solve near-doubles facts with this appealing worksheet!

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