A blog about teaching and learning in a maths classroom.

Archives → November 2009

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Drawing in Excel

Monday, 30 November 2009 ·

A lesson for Year 9 students with DER laptops, or anyone really.

Some graphs are just wrong

Friday, 27 November 2009 ·

Here’s a great example of a graph that is just wrong, the data may be correct, but it has obviously been represented the wrong way.  Watch the video…

Evidence of doing anything

Wednesday, 25 November 2009 ·

I think that each student using a netbook/laptop in your class presents some slightly different issues in Maths.

Heat Sinks - Surface Area

Monday, 16 November 2009 ·

I’m about to get into Surface Area with Year 8.  Of course, there will be chocolate.  But, since I last looked at Surface Area with Year 9 I’ve been thinking about Heat Sinks.

Updates/feed change

Monday, 16 November 2009 ·

I have turned off the automatic inclusion of my Delicious “maths” links in the update feed/email for this site.

Introducing Probability

Sunday, 15 November 2009 ·

This is an amusing video to introduce probability… some of my Year 8s found it hilarious.

Making a matching activity

Thursday, 12 November 2009 ·

As I mentioned, the DER roll-out hit my classroom as we were in the midst of Algebra.  Due to a tight program and exams shortly, I had to stick with a couple of topics which don’t really allow for “play” on the laptops as much as I would have liked.

A lot of the Algebra taught at the Stage 4 level is technique, and so matching activities work particularly well to practise and review skills.

Here’s a review of some of the ways I’ve found to make matching activities for use on the laptops.

Resize to Netbook Size

Saturday, 07 November 2009 ·

Not really maths related, but handy if you’re looking at a web-site that will be used on a Netbook.