Practice addition within 20 with this Halloween math workheet!

Santa has left lots of colorful presents filled with addition facts for your first grader to practice!

Ho ho ho! Santa has left lots of colorful presents filled with addition facts for your first grader to practice.

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

Merry Christmas! To help your child stay sharp during the holiday, Santa has left lots of colorful presents filled with addition facts for your child to solve.

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

Practice addition within 10 with this Halloween math workheet!

Practice addition within 10 with this Halloween math workheet!

Practice addition within 10 with this Halloween math workheet!

This combination color-by-number math worksheet will get your kid practicing mental math. Kids will color Valentine's Day chocolates by number.

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.

Get your child to work his mental math skills this Valentine's Day with this chocolate-filled worksheet.

Can your first grader dig through a leafy mess to find the numbers that are added together for each clover? He'll come out of it with stronger addition skills!

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! 

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.

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!