Master the math of making 10 and 20 with two addends in this helpful addition worksheet!

In autumn, the leaves turn red, orange, and yellow—test your logic skills with a sudoku puzzle to match!

Find the number of butterflies, flowers, rainbows, and watering cans in your garden with this spring-themed math worksheet for first graders! 

Celebrate Easter while practicing ABC patterns with this festive cut-and-paste worksheet!

Give your first grader a head start on time by practicing telling time on the hour. Match each clock to the correct time it tells.

Test first graders' money mastery with this practice quiz featuring questions on coin value, counting coins and money word problems!

Practice solving near-doubles facts with this engaging worksheet!

Practice adding tens with a visual model in this helpful worksheet!

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

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

Test your addition skills with this hands-on math worksheet!

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.

Here's an Easter egg hunt with a twist! Each egg in this festive worksheet contains one simple addition problem for your first grader to solve.

Here's an Easter egg hunt with a twist! Each egg in this festive worksheet contains one simple subtraction problem for your first grader to solve.

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.

Word problems are a great way to apply math knowledge to real-world situations. Check in on your first graders’ abilities to solve addition word problems with this handy assessment.

Word problems are a great way to apply math knowledge to real-world situations. Check in on your first graders’ abilities to solve subtraction word problems with this handy assessment.

The Easter bunny's been busy hiding colorful eggs all over the yard. Each one has a simple addition problem for your first grader to solve.

The Easter bunny's been busy hiding colorful eggs all over the yard. Each one has an Easter subtraction problem for your first grader to solve.

How high can you count? First graders will strengthen their understanding of ones and tens with this hundreds chart. Students will fill in the missing numbers up to 120 and then answer questions using the chart.

You know about 2D shapes, now get ready to learn your 3D shapes in this colorful worksheet!

Try using the associative property in this fill-in-the-blank worksheet!

This solve-and-check worksheet encourages kids to solve subtraction problems, and then check their answers with addition.

How strong do you think your subtraction skills are? Find out with this helpful worksheet!

Find facts fast as you add 3 and subtract 3 in this engaging worksheet!

Solve addition problems using the near-doubles method with this helpful worksheet!

Say goodbye to spring fever with this sweet spring-themed math puzzle!

Practice adding doubles with this colorful worksheet!

Test your addition skills in an underwater adventure with this inviting worksheet!