If you teach mathematics in grades 6-12 you will want to sign up for Jennifer Chang Wathall’s on-line course on Concept-Based Mathematics! You will receive practical classroom strategies, learning experiences, and explanations on how to teach for, and draw from students, the deeper conceptual understanding of mathematical concepts and their relationships. You will be able to purchase her cutting-edge book, Concept-Based Mathematics: Teaching for Deep Understanding in Secondary Classrooms, c. 2016, Corwin Press Publishers, to support your learning.
Check out this link to get the details on Jennifer’s outstanding course. I highly recommend it!