Do you have any questions about the job description?
I understand the project and I have worked on similar projects before if you want some samples I'll be glad to show you my work.
Proposal:
Hello!
My name is Roberto, I'm professional presentation designer, I have plenty experience in projects like this one, I can offer you beautiful didactic and professional slides, full of effects but with a minimalistic look, perfect for teaching. If you have any doubt feel free to write me, I have the time to commit to a project like this, you would have all my time.