Celebrate Valentine's Day while reviewing subtraction math facts! Your little love-bug can practice memorizing these simple subtraction problems.

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

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

Put a little love into math practice with these sweet Valentine's Day subtraction problems. Your first grader can start memorizing math facts.

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