Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

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

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.

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.

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

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

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!

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

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.

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

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.

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.

One of the most important parts of any Christmas tree is what's on top. This year, have your child make an angel that'll put the finishing touch on your tree!

Draw some educational value out of a summer stocked full of adventures!

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Put numbers and letters together -- key kindergarten math and reading skills -- while creating a marvelous game piece for outdoor play!

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!