This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

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.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

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

This fun math card game is a great opportunity to discuss probability with your third grader.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

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

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

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

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

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

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.

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?

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

Practice conversions within the metric system in this fun math card game for third graders.

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

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!

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

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

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

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

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