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# Posts

### March 05, 2015

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This TV ad presents the process of stopping a vehicle in the two elements represented in the stopping distance formula: reaction distance ("Both drivers first react, and then, a moment later....") and stopping distance ("they brake..."), and highlights the potential impact (literally) of a marginally higher speed. This ad was used circa 2006 by the NSW RTA. [via Mr Thoms]

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### March 03, 2015

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updated part
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This video is intended for teachers and students who are preparing for the 2 Unit HSC Examination. It provides a wide variety of practical advice about how to prepare for the examination and how to make the most of the three hours. Video available for download via the alternate link.

### March 02, 2015

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We are happy to inform you that the official registration and abstract submission for the GeoGebra Global Gathering Conference are now open. Join us at our GeoGebra Global Gathering (G3, 2015) July 15 – 17 in Linz in Austria and register…Read more ›
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updated theorem
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### March 01, 2015

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A discussion of census vs sample as it relates to the Australian Bureau of Statistics possibly changing from five-yearly to 10-yearly.
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A comprehensive explanation of statistical concepts and terms.
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updated section
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updated definition

### February 28, 2015

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updated definition
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I just did an activity with my year 10 on Compound Interest (Relay questions with 3 levels). The questions weren't really that challenging as I'm still nurturing their confidence in maths. It went really well (they kept saying to each other that they were ''actually doing maths work!''), they had to present their work and explain to the class for the level 3: just say, I was very proud of them:) Here are the questions.
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### February 27, 2015

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Mi última aportación a la Edición 6.1 es Spock y las matemáticas Un cita homenaje a Leonard Nimoy.
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