Math Web Sites

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Introduction We live in a three-dimensional world. Every object you can see or touch has three dimensions that can be measured: length, width, and height. The room you are sitting in can be described by these three dimensions. The monitor you're looking at has these three dimensions. Even you can be described by these three dimensions. In fact, the clothes you are wearing were made specifically for a person with your dimensions. 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 matrices are a series of online tables of electronic and technology resources supporting California middle school math content standards for grades 6, 7 and Algebra 1. The resources align to the two California state-adopted middle school textbook series of McDougall-Littell and Prentice Hall. The Grade 6 matrix also aligns to Harcourt and Scott Foresman.