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.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

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.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

This heart paper chain is the perfect way to celebrate Valentine's Day. Include some decorations in a simple AB pattern and work on pattern recognition.

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Use familiar household items and decorations to turn estimation into a fun game!

Show your kindergartener how to count to 100 by tens, and he'll get an adorable cheerio necklace in the process!

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This Play-Doh counting game will improve your little one's math skills and the hanging Christmas trees will make great decoration.