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.

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

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

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

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.

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

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

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

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!

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

Try your luck with these picture addition problems, great for helping kindergarteners make the leap from counting to addition!

Build a chocolate box while practicing addition in this Valentine’s Day worksheet for first and second graders!

Print out this spring-themed addition worksheet and make the next rainy day an educational one for your first grader!

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.

An introduction to addition worksheet for preschoolers and kindergarteners, featuring presents.

Make the leap from counting to addition with this fun picture addition activity.

Learners will make the connection between simple addition and counting in this illustrated 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! 

Practice addition facts with this pie-themed worksheet for kindergarteners and first graders!