I gave a talk at the NCTM Institute on Reasoning and Sense-Making. The topic was "Making Sense in Algebra 2." It was an updated version of an old talk titled "Seeking Depth in Algebra 2". For the occasion, I updated the Algebra 2 page on my site. In particular, I posted the new version of… Continue reading Sense-Making and Algebra 2
Tag: Manipulatives
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
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
Keeping track of manipulatives
Hands-on materials are an important tool in the math classroom, but they are a pain to keep track of. Spending time outside of class organizing tangram sets, say, is a real hassle. Having students do it during class is a waste of valuable instructional time. My suggestion, using tangrams as an example:- To minimize mix-ups,… Continue reading Keeping track of manipulatives
Little girls and math
A friend is concerned that her daughter may already be getting the wrong message about math and gender in kindergarten. This is not as far-fetched as it seems, according to this article. She is planning to start a math club of sorts for her daughter and her friends.My advice to her: do whatever math you… Continue reading Little girls and math
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
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
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
Henri's Math Education Blog 