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

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

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

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!

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

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

Introduce decimals and place value with this fun math card game for fourth grade students.

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!

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

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

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.

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

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Is your child struggling to remember the rules of place value? Here's a fun series of hands-on activities to help your child put the value in place value!

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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!

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