Grades have no intrinsic, absolute meaning. An A at an elite private school does not mean the same thing as an A at a public school that serves a poor neighborhood. An A at my own school today does not mean the same thing as an A meant 20 years ago. An A in Science… Continue reading Grades (part 1)
Blog
Manipulatives: Short Video
I added a short video of me explaining the basic idea behind manipulatives. Check it out.--Henri
My Summer Plans
Where you can find me this summer:June 20-22: Independent Curriculum Group conference, San FranciscoBuilding an Innovative Curriculum: Strategies for Teachers, Departments, and Schools (Scroll down until you see this text)I'll participate, and perhaps present something on teacher collaboration. June 22-24: Center for Innovative Teaching, San FranciscoIntegrated Technology Symposium 2011 for School Leaders: Digital Tools & Practices… Continue reading My Summer Plans
Algebra Lab: Middle School
Normally, you should be able to get the Algebra Lab: Middle School binder here.If that doesn't work, get in touch with me and I'll find a way to get it to you.--Henri
"Add till it’s plaid"
I’ve expanded this post into two lessons, and shared them on my website, along with videos and GeoGebra files. Check it out! -- Henri --------------------------------------------------------------------- If you have a way to graph ax+by=c electronically, here is a fun way to teach solving systems of equations by linear combination.Say you want to solveGraph the two equations:The… Continue reading "Add till it’s plaid"
Presentation Saturday
I'll be presenting a six-minute talk on "Kindergarten manipulatives in high school" after the main-stage TEDxSF event simulcast this Saturday, April 9, at the Urban School of San Francisco.There may still be some tickets available. Click here for more info.--Henri
Online Presentation
My online presentation about Escape from the Textbook! was recorded. You can be watch / listen to it by going tohttp://mathfuture.wikispaces.com/EscapeFromTheTextbookIn addition to introducing the Escape! concept and community, I gave as an example my approach to teaching arithmetic and geometric sequences (starting with iterating linear functions,) and series (emphasizing algorithms over formulas.) You can… Continue reading Online Presentation
Online meeting about Escape from the Textbook!
You are invited to an open online meeting of the "Escape from the Textbook!" community, conducted as a part of the Math Future weekly series. You can chat with community members, meet new colleagues, and brainstorm future live meetings for the group.My plan as it stands now is to start by explaining the idea behind… Continue reading Online meeting about Escape from the Textbook!
Escape from the Textbook! Live stream
The Escape from the Textbook! conference is happening this Saturday, Feb 12, at the Urban School of San Francisco. It is completely sold out.However you will be able to participate remotely via live streaming and a chat room on the Web. Full details (speakers, schedule, etc.) are available on the Escape! Web site.--Henri
My MA thesis
A few weeks ago, I attended a wonderful talk about the real projective plane by Bruce Cohen and David Sklar. This reminded me that 40 years ago, or so, I wrote an MA thesis at UC Berkeley on Topics in finite projective geometry. I just scanned it and uploaded it to my Web site on… Continue reading My MA thesis
Henri's Math Education Blog 