Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

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?

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

Tackle both boredom and mathematics with this inventive arts and craft project!

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

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

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.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

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!

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This is a great game to help your child learn number concepts in multiplication and division.

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

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

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

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.