One must obey the sine laws. A lesson introduces and derives the Law of Sines for non-right triangles. With examples that use the Law of Sines to determine unknown measures in triangles, the lesson checks to see if the Law...

Laws are meant to be broken, right? Learners derive the Law of Sines by dropping a perpendicular from one vertex to its opposite side. Using the Law of Sines, mathematicians solve for various parts of triangles.

Opinion, audience, purpose. Fourth graders are introduced to the three characteristics of persuasive writing in the third unit of a year-long writing program. The 98-page packet is complete with plans, model essays, graphic organizers,...

Although designed for a foods lab, the information in this resource might be just the thing for your own recipe notebook. Illustrated, step-by-step directions for making the perfect omelet, egg-citing puzzles, games, and even...