Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

Check out this twist on a peanut butter and banana sandwich. The banana replaces the bread to make the perfect fun and nutritious after-school snack.

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

Tic-tac-toe is tons of fun, but the traditional version can get a little monotonous after a while. Mix it up and try this colorful outdoor version!

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

Put together a pine forest to help you count down the days until Christmas with your little one.

This Hanukkah countdown craft will help your little one count the eight nights of Hanukkah. Make a Hanukkah countdown calendar with your child.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

In this activity your little one will throw a beanbag at a numbered target to help improve their number recognition skills.

In this activity, your child will learn to name the numbers from 1 through 5 and they'll practice their counting skills.

Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

Get your preschooler ready for kindergarten by helping them learn numbers 1-10 with homemade snowflake counting cards in this arts and crafts activity.

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This unique Santa is made only from circles. Your little one will have a fantastic time puzzling together Santa's face with this circle-centric activity.

First grade math includes lots of work with two-digit numbers. Here's an activity to help kids practice recognizing and sequencing numbers from 1-30.