Sites that I can't do without as a math teacher (and what's so special about each one!) Links to virtual manipulatives, discovery-based lessons, free graphing software, question prompts, eBooks, and more.... Tons of resources for math teachers
This visual aid has some excellent tips that students can use when creating a powerpoint presentation. Students are often expected to create these presentations and not given specific guidelines on how to make an effective powerpoint so this could be shared with students when they are using this program to complete projects.