Although this lesson plan focuses on college writing, it fits perfectly into the high school curriculum without being too difficult to understand. It provides types of essay writing assignments and how to handle each, strategies for...

Learn about the slope of a line with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Demonstrates the factor-table method for solving rational inequalities.

In addition to defining rational expressions, this resource demonstrates how to find the excluded values and zeros of the expressions.

A map of the early United States between 1783 and 1789 showing the territorial State claims west to the Mississippi River, and is keyed to show undefined or disputed boundaries, boundaries of States and territories, and boundaries not...

A map of West Florida in 1756, which then formed portions of French Louisiana and Spanish Florida; the Perdido river was the recognized boundary between the two: the northern limits were undefined.

A map of the early United States in 1790 showing the boundary established west to the Mississippi River, and is keyed to show undefined or disputed boundaries, boundaries of States and territories, and boundaries not settled. The map...

A site by the National Gallery of Art of twelve selected Cassatt color prints. There is also a biography of the artist.