In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

Teach your kid a fun mathematical magic trick! All you'll need is a deck of cards and basic addition, subtraction, and multiplication skills.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Simplify fractions with your child in this fast-paced math card game.

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.

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This heart print makes the perfect simple and sweet gift for Valentine's Day!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

Here's a hands-on way to help your child understand how common fractions can be equivalent.

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

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!

This St. Patrick's day, stretch your child's social studies and math skills with this fun, cooperative learning game.

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

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

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 activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.