Retired after 42 years in the classroom, from counting to calculus. Now working with colleagues, curriculum, cryptic crosswords.
May 7, 2021 • 33 tweets • 44 min read
My website is so big that it has 30 subdirectories. Which suggests to me that I should take a month or so to tweet a link to one of those each day. I’ll start tomorrow. For now, here’s the link to the site:
#mtbos#iteachmath#mathed1. _Algebra: Themes, Tools, Concepts_ is a ground-breaking textbook I co-authored in the 90’s, with powerful lessons for grades 7-12. Free, with supporting materials and commentary:
