Tag Archives: mathchat

Math of the game Portal

A few weeks ago, I spotted one of my students playing an interesting looking game on his computer, so I asked him about it. Turns out the game he was playing is called Portal (created by a company called Valve), and it’s still a fairly popular game today. The basic premise of the game is that […]

Math in the real world: Balloons

This is part of a series of posts I’m doing on math in the real world.   The first question I thought of when I saw these balloons in my colleagues office was, how many of those would I need to be able to float? Clearly, this is a math problem, and one students can […]

Paypal and password security

This afternoon, I had to change a Paypal password. I went to Paypal, got to the screen to change my password, and after an attempt to choose a new password, I was confronted with this screen.     I definitely had at least eight characters in my password. I didn’t use my name or my […]

New Math equals trouble, education expert says

The CBC just ran an article on the problems in our current math system which was terribly one-sided and an example of the worst kind of fear-mongering journalism. They are quoting an article by Michael Zwaagstra, an "educational expert" writing on behalf of the Frontier Centre for Public Policy. First, let’s examine the article written […]

Moebius Noodles

A couple of weeks after I posted some resources for parents looking to teach their young kids about math, Maria Droujkova has introduced the Moebius Noodles project which is intended to build a book and a support site for parents who would like some support teaching math to their children. In her own words, the […]

Disguising flash cards as a game is deceptive

I’m reading The Connected Family by Seymour Papert, and ran into a quote which I found appropriate. "…learning multiplication facts by putting flash cards on the screen is not a new way of learning math. It is a polished-up version of the old ways and promotes to greater heights their worst and most mechanical features. […]

Heading to the Computer Based Math conference in London, England

So I just got confirmation (and have paid for registration and my airfare AND found a place to stay – mostly) that I get to attend the Computer Based Math conference happening London, England on November 10th and 11th. I’m very excited about it! I’m flying out of Vancouver on Tuesday, November 8th (after being […]

Questions about the flipped model of instruction

I’ve been reading a lot about the flipped model of classroom instruction, where students watch instructional videos for homework, and then do the practice and problem solving during class time. Here’s a video of the process being explained by Aaron Sams.   Some of the questions I have are pretty much the same as the […]

Math in the real world: Sound

This is another post in my series on math in the real world. Vi Hart explains much of the mathematics behind noise in great detail, so watch her awesome video below. Thanks to @delta_dc for sharing it with me.   Notice her use of Audacity? I think we could quite easily turn this into a […]

Math in the real world: Roller coasters

This is another post in a series I’m doing on math in the real world.   When my son and I were on the roller coaster, I was again in awe about how quickly even a small roller coaster like this travels, and how it doesn’t drive right off the tracks. Roller coasters have to […]