Correspondents frequently ask:Do you have answers to (this or that worksheet on the Web site)?Typically, no. I'm sorry, but I don't have the time or interest to write up answers.The exception is that if the activity appears in a book, the answers are indeed written up, as the publisher usually demands it. (Even then, I… Continue reading Answers
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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.… Continue reading Geometry book recommendation
Completing the Square animation
A correspondent sent me a Geometer's Sketchpad version of my Completing the Square animation. I posted it.I often use technology that is different from what many math teachers use. (Cabri rather than GSP, TI-89 rather than 83/84.) Thus I depend on outside contributors to send me other versions of the files I post. Thanks in… Continue reading Completing the Square animation
Creative Publications Manipulatives Update
Lab Gear Activities for Algebra 1 and the 3D Lab Gear are no longer available from Creative Publications / McGraw-Hill. Moreover, they have redesigned their Web site, and all the URLs have changed.Pentomino Activities, Lessons, and Puzzles is going out of print, but is still available.Short run: I've updated my publications page, and the Lab… Continue reading Creative Publications Manipulatives Update
Another middle school opening
A Berkeley, California public school teacher writes: We are looking for a creative, dynamic, collaborative teacher for an open position at our middle school. For the upcoming year, the open position is for 7th grade (Pre-Algebra), but many of us like to loop, so in future years there's the option of many configurations as we… Continue reading Another middle school opening
Lab Gear Activities for Algebra 1
Please e-mail me or comment below if you have trouble getting the Lab Gear Activities for Algebra 1 binder. I no longer see it on the McGraw-Hill Web site, and would like to know if it is no longer available.If that is indeed the case, I'll try to get it to you some other way.UPDATE … Continue reading Lab Gear Activities for Algebra 1
Escape from the Textbook! Conference
A date has been set for the first Escape from the Textbook! conference: Saturday, Feb 12, 2011. The conference will be held at the Urban School of San Francisco. Planning will start in earnest during the summer.--Henri
Summer Workshops: Early Bird discount deadline
This is the last reminder about my summer workshops for math teachers.* June 1 is the last day to take advantage of the early bird discount for my workshops in San Francisco (Visual Algebra and Hands-On Geometry. In between those, Kate Mackrell will offer a workshop on Cabri 3D.)* There are still openings in the… Continue reading Summer Workshops: Early Bird discount deadline
Pentomino art lesson
A correspondent writes:I am planning to incorporate pentominoes into my art lesson on designing houses. Do you have comments or help on this concept.One possibility is pentomino-tiled floors. There's a lesson on tiling with polyominoes in my Geometry Labs book (Lab 7.1), but the basic idea is straightforward: find ways to tile with each of… Continue reading Pentomino art lesson
Middle school job in SF
The San Francisco School has an opening for a math teacher for 2010-11 -- grades 7-8. See announcement below.--Henri---------------------------------------------------------------------The San Francisco SchoolJob AnnouncementMIDDLE SCHOOL MATH TEACHERSeventh-Eighth Grade Starts August 2010 (with summer prep time)Overview of PositionThe San Francisco School seeks a Middle School Math Teacher interested in strengthening mathematical reasoning and deepening conceptual understanding among… Continue reading Middle school job in SF
Henri's Math Education Blog 