Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

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.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

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

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 is the perfect way to prepare your child for any shopping adventures you may embark upon, all while practicing important math concepts.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Get your child excited about measuring with this fun and easy household measurements activity.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

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!

Make counting coins make "cents" to your second grader while giving her the chance to practice her math skills by playing this fun game with her.

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

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.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Work on division with remainders in this fun fourth grade math board game.

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.

This science fair project idea identifies clouds as a means of predicting the weather.

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.

Here's an innovative math puzzle that you can create with your fourth grade math student.