Monthly Archives: September 2014

3 Dimensional Drawing

I was teaching volume of prisms to my Year 7 students the other day, and they were amazed at my ability to draw three-dimensional shapes. They were more impressed by my drawings on my PC tablet than on the content!

Earlier this year when teaching my Year 10 Extension class topics on Measurement, they asked, half-jokingly, whether maths teachers had to attend a special class at university to learn to draw prisms and pyramids.
It occurred to me that perhaps we don’t spend enough time teaching kids to draw in three dimensions, and that’s such a pity because it’s so much […]

The Art of Counting Backwards

In my younger, student years I remember excitedly landing a great casual job for new years day. For those youngsters who are happy not to have a big night on New Year’s Eve and happy to work on New Year’s Day, a job at the Perth Cup behind the bar is an awesome way to make some good money. The catch was, I arrived, had a quick orientation, no training and was then thrown behind the bar and the crowd of people screaming to be served was about four rows deep. Then the real clincher was that the tills […]

Great Expectations

The one thing that works really well for me in the classroom is that I hold high expectations of my students each and every lesson.
My Year 7 and 8 students come to class each day knowing what the general tone of the lesson will be and they come prepared and willing to apply their best effort. They know that I’m not interested in telling stories, gossiping, playing games, watching videos or just generally wasting time. They know that I always have a lesson I want them to engage in and something I want them to learn.
Along with this I […]

Dinner Time Maths – Ice Bucket Challenge

How many people do you know who’ve been nominated for the Ice Bucket Challenge? Have you yourself been nominated and taped yourself being soaked by a freezing cold bucket of water? Are your kids talking about it?
How about bringing the following question up during your next Dinner Time Maths chat and seeing where it leads?

How many days will it take for all the adults of Australia to be nominated for and take part in the Ice Bucket Challenge fundraiser for ALS?

16 days.
No, I’m not missing a zero and my calculator isn’t broken. Based on a mathematical model, it will […]