Wednesday, 26 May 2010 | 2 Comments
I’ve been trying to increase my use of the laptops with Year 9.
With our current topic, Scientific Notation, I’ve used:
Source: Pre-steamed long rice Copyright © 2007 David Monniaux
One activity that went down well today, was an investigation of some real objects using Wolfram Alpha. The attached worksheet formed the basis of the investigation looking at the mass of a grain of rice, the diameter of the earth, the speed of light and the distance to Proxima Centauri (the star closest to earth).
Whilst the conversions can be done in Wolfram Alpha, we also saw that Google can do conversions like convert 65mg to kg.
For this lower level class, the activity gave a good sense of reality to an otherwise non-concrete topic.
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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
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