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.

Try this fun math card game with your third grader to practice division, addition, and problem solving!

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!

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

Do you think heat can affect a plant's growth rate?

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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.

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

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

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

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.

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!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

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