Direct proof Teacher Resources

Learning how to prove theorems in geometry can be challenging. This resource explains what a proof is, and the different styles for proofs. It also contains links to web-based practice problems that help guide learners though example...

In this geometry worksheet, 10th graders complete an indirect proof and order the sides or angles of a triangle. Also, students determine if a triangle can have sides with the given lengths. The two page worksheet contains twelve...

Middle schoolers research, design, and create a game board based on information learned in ancient civilizations' social studies units. They utilize computer technology to research the project, as well as, textbooks, in-class library...