This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Work on simple addition and finding even numbers in this second-grade math card game.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Your child will love making this adorable clover clock that will help him learn how to tell time.

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!

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!

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

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

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

This fun shape game is like Twister...with a twist!

Turn learning fractions into a pizza party in this fun second grade math game.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

This caterpillar math game gets your child to work on addition and subtraction. Challenge your child's math prowess with this fast-paced caterpillar math game.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Practice conversions within the metric system in this fun math card game for third graders.

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?

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.

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

Get a leg up on counting concepts with this project where art and math collide.

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

Here's a super fun game to get in some place value practice with your child!

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

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!