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

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

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

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

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

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

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

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

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

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

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

Ignite problem-solving prowess in your young math learners with this fun Easter puzzle worksheet!

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Happy Valentine's Day! Your first grader will color all the candies in this heart-shaped box while solving some sweet math problems.

Hunt for the solutions in these Easter word problems! Kids will practice reading as they work out these addition and subtraction problems.

Children will count and add rainbows, shamrocks, harps, and even sheep in this playful St. Patrick's Day math worksheet.

Have some math and coloring practice with your chocolates in this Valentine's Day mental math worksheet. Your kid will solve addition and subtraction problems.

Get ready for Easter! These colorful word problems will get your child in the mood for this spring holiday as he practices basic math.

Santa's sleigh is filled with toys and candy canes! Can your child count how many are there? Practice simple addition in the spirit of Christmas.

Solve math problems, and eat chocolate, in a Valentine's Day mental math worksheet. Kids will find solutions to math problems, and color chocolates by number.

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.

Keep your little elf busy during this Christmas break. He will practice addition by counting these holdiay pictures, and when he's done he can color them in!

Do some mental math with your young valentine in this combination math and color-by-number worksheet. Kids will solve simple addition and subtraction 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.

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.

Have a happy Valentine's Day with this combination math and color-by-number worksheet. Your kid will use mental math skills to color in the pictured chocolates.

If you want to get your child in the Valentine's Day mood and improve her addition and mental math ability, this pretty printable is sure to do the trick.