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You want these posters because:
I have taught at two public high schools, two international schools overseas, and a private school.
I have taught Algebra 1, Geometry, Algebra 2, Precalculus, on-level Calculus, AP Calculus AB, IB Math Studies, IB Math SL, and IB Math HL.
I am making it my mission to share my knowledge and experience with other math teachers. When I was first starting out in my career there were no email lists or Facebook groups. We had to figure stuff out on our own. But now it's easy for me to help younger and less experienced teachers. Allow me to help you and hopefully make your life easier.
I blog about my experiences at www.hoffmath.com, check it out!