Happy Valentine's Day, from your favorite Brainzy characters!

For science lovers and chemistry geeks alike, here are some sweet science valentines to print for friends and family!

Give your first grader some practice sequencing numbers! He'll put this group of 18 consecutive numbers in order from greatest to least.

These love notes need to be delivered! Practice sequencing numbers by putting this group of 18 consecutive numbers back into the right order.

Little love-bugs can have a blast solving these Valentine's Day division problems! Your child will get to review her knowledge of times tables.

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

Celebrate Valentine's Day while reviewing simple division! Your little love-bug can use his knowledge of times tables to solve these problems.

Your child will love coloring and decorating these butterfly valentines. Add a lollipop for the butterfly's head to create an extra-sweet treat!

Get into the spirit of science this Valentine's Day with some adorable science valentines! These cards are great for handing out to friends and classmates.

Put a little love into math practice with these sweet Valentine's Day division problems. Your third grader can even review times tables as he goes!

Cupid is lost among all these hearts! Ask your child to color all the odd numbers to help cupid find his way to his heart.

Valentine's Day is a fun time to do crafts, and maybe give out a bit of candy too! Your child can create colorful valentines for her friends and classmates.

Show your sweetheart you care with monster valentines. Color the monster, cut out the card, and you're ready to make someone special your Valentine.

Challenge your kid to solve Cupid's maze - don't let the pink fool you this brain teaser is great mental exercise on Valentine's Day!

Children will enjoy dreaming up their dream Valentine's Day gift in this simple drawing and writing prompt.

Celebrate Valentine's Day while reviewing times tables! Soon your little love-bug will be on his way to memorizing them.

Put a little love into math practice with these sweet Valentine's Day multiplication tables. Soon your child will be on his way to memorizing them!

Let your first grader sweeten up the classic game of Tic-Tac-Toe with this colorful Valentine's Day version!

Welcome to Valentine Village, a whole town bursting with candy hearts and chocolate gifts.

Can you fix these broken hearts? Test your multiplication skills with this fun worksheet.

A candy valentine is always a nice gift on Valentine's Day. Make a candy valentine out of lollipops with this candy valentine worksheet.

Instead of buying valentines this year, why not use this colorful printable with cute, old-fashioned animals!

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.

Keep in the spirit of Valentine's Day with this heartfelt subtraction sheet! Your child can practice his two-digit subtraction.

Instead of going storebought this year, go semi-homemade with these printable valentine decorations your child can cut and paste onto construction paper.

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

These butterfly valentines are in need of some colors and glitter! Add a lollipop to create an extra-special gift to give out to his friends.