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
Discover 10 ways to teach math using post it notes. There are ideas for teaching addition, even and odd numbers, fact families, comparing numbers, rounding, fractions, decimals, area and graphing. Sticky notes help make learning interactive and fun! Click on the link for more details.