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?

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

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

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

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

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

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

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.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.