Geometry book recommendation

A correspondent asks for a  recommendation for a geometry book.

My favorite by far is Geometry: A Guided Inquiry by Chakerian, Crabill and Stein. This is the book that had the greatest impact on my approach to teaching high school math. It came out in the 1970’s, I believe, but was far ahead of its time. Among the things I learned from it:

  • There are many benefits to organizing the classroom into cooperative groups of four
  • Problems need not be ordered from easiest to most difficult
  • Chapters need not be ordered according to tradition
  • Inquiry and proof are not mutually exclusive
  • Writing a paragraph is a more important skill than writing a two-column proof
  • and more…

Harold Jacobs’ Geometry, 3rd edition, is more traditional in its pedagogy, but it has a wealth of wonderful real world connections, and is visually beautiful, as a geometry book should be.

Finally, my own Geometry Labs is a good complement to any geometry text, offering discussion-sparking, hands-on activities on many geometry topics. (Where to get it.)

More on geometry.

–Henri

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