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

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.

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

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

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.

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!

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

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

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.

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

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

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!

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

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

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!

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

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

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

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!

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

Play this fun basketball game to help your third grader master their multiplication tables.