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!

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.

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.

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

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

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

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

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

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

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

Practice counting Valentine’s Day envelopes with this appealing worksheet!

Fall in love with counting as you complete this fun, seasonal worksheet!

Celebrate Valentine’s Day with this lovely counting worksheet!

Count hearts in this appealing Valentine’s Day worksheet!

Practice your counting skills with this festive Valentine’s Day worksheet!

Learn to love counting with this Valentine’s Day–themed math worksheet!

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