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

"Eggstraction" takes the boredom out of subtraction practice, and it'll get your first grader into the Easter spirit, too!

The Thanksgiving holiday brings turkey, stuffing, family...and subtraction? Here's a great way to get your first grader to practice subtraction over the break.

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

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

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.

Don't let your first grader lose her math skills over winter break! Indulge in Christmas subtraction, along with those holiday sweets and toys.

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.

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

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

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

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

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

Practice subtraction within 10 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice subtraction within 10 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

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