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!

Whether the snow is fluffy and soft or icy and hard, a snowman is sure to inspire a smile. No wonder this snowman is so happy—it's made using marshmallows!

First graders spend lots of time learning double digit numbers. Here's a "green" way to build skills and have some old time family fun, too.

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

Combine fun sensory play with early number awareness in a squishy sun catcher project. It's a fun way for your kid to learn about numbers.

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.

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

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 with shapes, like triangles and circles, to help your child review the different kinds and create a new picture!

This countdown to Christmas craft is fun for kids who are excited for the holiday. Countdown to Christmas with this fun holiday activity.

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.

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

This unique Santa is made only from circles. Your little one will have a fantastic time puzzling together Santa's face with this circle-centric activity.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

This decimal game is a great way to help your child get familiar with how decimal values work.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

Disguise a lesson focused on shape recognition as a Santa collage, and your pre-kindergartener won't even realize she's learning!

Using just an egg carton and some beans or pennies, you can play this game with your first grader and see real gains in core math skills.

One of the most important parts of any Christmas tree is what's on top. This year, have your child make an angel that'll put the finishing touch on your tree!

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

Here are some ideas for marshmallow math games you can play with your child to help teach him important concepts like estimation, area, and measurement.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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 idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This game provides your child with the opportunity to create, write, and read numbers.

Make the abstract nature of time and money easier for your kid to understand with some fun ideas that focus on these concepts.