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Geomertry: 3D Shapes - In the world around us, there are many three-dimensional geometric shapes. In these lessons, you'll learn about some of them. You'll learn some of the terminology used to describe them, how to calculate their surface area and volume, as well as a lot about their mathematical properties.
The Math Forum @ Drexel Ask Dr. Math - "Ask Dr. Math is a question and answer service for K-12 math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions."--About Ask Dr. Math.
Math in Daily Life - When you buy a car, follow a recipe, or decorate your home, you're using math principles. People have been using these same principles for thousands of years, across countries and continents. Whether you're sailing a boat off the coast of Japan or building a house in Peru, you're using math to get things done.