Teachers Lesson Planning
Here is a website I learned about through a Collaborative class:
https://www.insidemathematics.org/classroom-videos/public-lessons/9th-11th-grade-math-quadratic-functions
Skilled teachers have shared their entire process, from planning to teaching students the lesson.
Algebra Tiles for Teaching
Click here for the best ones I’ve found so far. They are available on the CPM website.
They are good for teaching about the distributive property, polynomials, and factoring.