David Wees's blog

Most livable city

We had Daanish Ali, the producer of the video below, come to our school and share his film with us (embedded below). I strongly recommend that if you live in an urban centre, you should watch this video. While it talks about water issues in the downtown East Side of Vancouver, I'm sure that similar issues exist in every major city in the world.

It is a great starting place for a discussion about urban water use, and very accessible for your students. Our kids finished watching the video and had some great questions.

Free tools for math education

Here are some tools which I've either used (or explored) for mathematics education. They aren't all open source, but they are all extremely useful, and they are all free to use (free as in free beer, some of them are also free as in free speech).

 

Geogebra

Geogebra image

How to build an apathetic student body

Here are some of the ways you can ensure your student body is apathetic.

Space in the classroom

I watched this video a while ago (recommend watching it, it's amazing) and was amazed at how you could find spaces in the home where each word was learned. Today I wondered, what would a similar analysis of our classrooms show?

Exploring algebraic complexity

Here is an idea I am exploring.

I'd like some feedback on this idea. If anyone can point me at research already done in this area, that would be appreciated. My objective is to use this to justify the use of technology in mathematics as a way of reducing algorithmic complexity so that deeper concepts can be more readily understood.

Bad calculations

Question: If you didn't know the procedure for addition or multiplication, and lacked numeracy skills, could you catch the errors in the calculations shown here?

People change (ps. kids are people)

People change.

Change

(image credit: dhammza)

Open educational resources

Educators, I have some bad news to give you. You aren't going to get rich. It doesn't matter how many of your lessons you carefully hoard, or how many great ideas you keep to yourself, none of that is going to make you rich. You will probably never publish your "book" and you aren't going to get famous.

What should be on a high school exit exam in mathematics?

Personally, I think an exit exam for school (an exam a student needs to graduate from secondary school) is not necessarily the best way to determine if a student has been prepared by their school. That aside, some of sort of assessment of what a student has learned from their school, whatever form that would take, should satisfy an important criterion; that the student is somewhat prepared for the challenges that life will throw at them.

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