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?

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Here's a hands-on way to help your child understand how common fractions can be equivalent.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

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!

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

Practice your addition and subtraction in this card game. Disclose is a math activity any first or second grader will love!

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

This game is the perfect way to prepare your child for any shopping adventures you may embark upon, all while practicing important math concepts.