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Posts

March 05, 2015

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12:22 AM | Stopping Distance
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]

March 04, 2015

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8:34 PM | square roots proof
newest proof
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6:41 PM | square roots
newest proposition

March 03, 2015

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11:15 PM | imaginary unit
newest definition
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9:58 PM | real numbers
updated part
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6:43 AM | Helpful advice for 2 Unit teachers and students
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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10:15 PM | GeoGebra Global Gathering
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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7:53 PM | convergence of infinite series with non negative terms proof
newest proof
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7:40 PM | convergence of infinite series with non negative terms
newest proposition
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7:02 PM | monotone convergence
updated theorem
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6:52 PM | every bounded monotonic sequence is convergent proof
newest proof
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6:33 PM | every bounded monotonic sequence is convergent
newest theorem

March 01, 2015

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10:01 AM | Advances in statistical science mean we only need a census every 10 years
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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9:55 AM | Statistical Language
A comprehensive explanation of statistical concepts and terms.
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7:51 AM | monotonic sequences
newest definition
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7:47 AM | monotonic functions
updated section
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7:20 AM | accumulation points
updated definition

February 28, 2015

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5:46 PM | every bounded real sequence has a convergent subsequence bolzano weierstrass proof
newest proof
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3:06 PM | real intervals
newest definition
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2:50 PM | open set closed set
updated definition
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12:43 PM | every bounded real sequence has a convergent subsequence bolzano weierstrass
newest theorem
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12:34 PM | subsequence
newest definition
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10:21 AM | Compound Interest Relay Questions
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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7:36 AM | every real number can be written as a b adic fraction floating point number
newest proposition

February 27, 2015

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9:24 PM | Spock y la matemáticas [Tito Eliatron Dixit]
Mi última aportación a la Edición 6.1 es Spock y las matemáticas Un cita homenaje a Leonard Nimoy.
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7:52 PM | a general criterion for the convergence of infinite series cauchy proof
newest proof
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7:07 PM | a general criterion for the convergence of infinite series cauchy
newest proposition
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1:32 PM | Arcos de Málaga: escarzano
Buenas a todos! Aquí os dejo mi colaboración para participar en el Carnaval de Matemáticas: http://elmundoderafalillo.blogspot.com.es/2015/02/arcos-de-malaga-escarzano.html Espero que os guste ;)
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5:48 AM | Memorise These
Everything a 2 Unit Student Needs For The HSC Examination (An Unofficial List of Things to Memorise) A list of all the facts, formulae, theorems, properties and basic graphs that a 2 Unit student needs to memorise for the HSC Exam. This could be used as a checklist for students, they can fold it down the middle and test themselves. Has anything been missed? Leave a comment. 11 pages in total.

February 26, 2015

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6:37 PM | infinite series convergent series
updated definition
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