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!

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

Little love-bugs can have a blast solving these Valentine's Day subtraction problems! Build basic math skills with this practice sheet.

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

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

Build basic math skills with this practice sheet, full of simple subtraction equations for your child to practice and start memorizing.

Get practice writing two-digit subtraction equations using an open number line with this first-grade math worksheet!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!