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?

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

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.

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!

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.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

How powerful is the reaction between baking soda and vinegar? Find out here!

Here's a super fun game to get in some place value practice with your child!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

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

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

Get ready to make a dollar...using playing cards! The first player to accumulate the amount of points equal to a dollar wins.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

Play tic-tac-toe and help your kid memorize multiplication facts!

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.