This first grade addition math game helps your child use critical thinking skills while practicing his computation.

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.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

Get a leg up on counting concepts with this project where art and math collide.

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

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.

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.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

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.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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."

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

Finding the greatest number is great math practice! This strategic card game will help reinforce the concept of number value as well as addition facts.

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.

Find sums of 10 in this fun first-grade math card game that helps kids build addition skills. Help your child use critical thinking skills to find the sums.

Shake those dice and try to roll big numbers in this first grade math game. Practice addition in a new, fun way!

Want to make math a little more exciting? This single-player game is designed to help your child practice combining cards to create sums of 14.

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.