There are many resources to improve mathematics teaching.
Video Cases and Lesson Planning Resources
This website has videos as well as lesson planning resources
FUNDING OPPORTUNITIES FOR TEACHERS
There are many different types of grants for teachers.Check your local communities and organizations for funding opportunities. For example, you can find funding opportunities to get supplies for your classroom. In addition, you may find funding to do research projects or go to conferences. Just knowing that there are opportunities available for you to become a more effective teacher helps. You just need to know where to look.
Check out the NCTM website below. Make sure you look at the types for Writing Successful Proposals for MET Grants and Scholarships.