How to make a successful transition from a middle school math teacher to high school math

First of all, I want to remind you that high school mathematics and junior high school mathematics are fundamentally different, but there are many similarities, if the junior high school math taught for many years, on the high school also has the benefit of, but not a good on the teaching, high school mathematics content more tutorials are short, demanding, need our own continuous efforts to do more problems, especially in the specified time to do more problems, training speed response ability and resilience. I believe that as long as it is after their own unremitting efforts will become a qualified high school math teacher, I wish you success.