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Posts

July 21, 2014

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9:04 PM | Switch up your research routine!
If you’ve ever worked out, you know that your body can get comfortable doing a particular exercise and then no longer feel challenged. In order for you to continue to transform your physique and train other muscles, you have to … Continue reading →
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8:31 PM | the exterior angle is greater than either of the non adjacent interior angles geometric proof
newest proof
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7:50 PM | the exterior angle is greater than either of the non adjacent interior angles
updated proposition
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7:27 PM | opposite angles on intersecting straight lines geometric proof
newest proof
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7:13 PM | opposite angles on intersecting straight lines
newest proposition

July 20, 2014

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11:43 PM | Spin Dryer
How does a spin dryer work? Deane explains with a simple model made from buckets and a hand beater. An example for circular motion.
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9:31 AM | Data Displayer
The Data Displayer provides interactive tools to investigate sets of data. Explore data questions on sports (baseball home runs), movies (highest paid actors), agriculture or enter custom data. Analysis and representation tools include mean, median & mode; box-and-whisker plot; scatterplot with line of best fit; standard deviation and mean. Includes a Teacher's Guide.
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9:09 AM | PhysicsToGo
Designed for use on a tablet. This page includes a working accelerometer (on a tablet) and some interactives for investigating forces.

July 19, 2014

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4:43 AM | Incorrect Graph - Asthma Breakthrough
A picture graph from a news story that gets the ratio/number of pictures wrong. The link takes you to an image file. Source, see Alternative Link.
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4:29 AM | Incorrect Graph - Ethical dilemmas, Channel 7
A pie graph from a news story that gets the size of the sectors wrong. The link takes you to an image file. Source, see Alternative Link.
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4:24 AM | Catalog of Some Elementary Functions
This Demonstration presents a catalog of some elementary functions that can be used to illustrate how each of the parent functions can be transformed by varying different parameters.
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4:15 AM | John and Betty’s Journey into Complex Numbers
A Children's Book for Senior School Mathematics Students From to De Moivre's Theorem, this fun book introduces complex numbers in a way that is intuitive and enjoyable for students. By Matt Bower
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2:27 AM | Number Puzzle - Odds & Evens
Deane presents a number puzzle which seems impossible - until a simple trick is revealed.

July 17, 2014

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2:50 AM | Binary Tutorial
The theory behind numbers and how binary numbers work. A tutorial with interactive examples.

July 16, 2014

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6:16 AM | Overruled!
Two besotted rulers must embrace proportional units in order to complete a bridge to unite their lands. It takes mathematical reasoning to deduce the problem, and solution, when engineers from Queentopia and Kingopolis try to build a bridge that meets in the middle of the river. See the Alternative Link for lesson resources.
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6:12 AM | Atlantean Dodgeball
Ratio errors confuse one of the coaches as two teams face off in an epic dodgeball tournament. See how mathematical techniques such as tables, graphs, measurements and equations help to find the missing part of a proportion. See the Alternative Link for lesson resources.
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6:07 AM | Math Snacks: Scale Ella
The evil Scaleo has escaped from prison and is transforming the length, width, and height of objects until they become useless... or dangerous. Who can put things right? Our super heroine, Scale Ella, uses the power of scale factor to foil the villain. See the Alternative Link for lesson resources.
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6:01 AM | Ratey the Math Cat
Ratey pops up when you least expect him. And he can't resist pointing out the rates and "purrportions" in daily life. You'll never again overlook how everyday decisions rely on mathematical reasoning about rates. See the Alternative Link for lesson resources.

July 15, 2014

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8:21 AM | Solar has won. Even if coal were free to burn, power stations couldn’t compete
As early as 2018, solar could be economically viable to power big cities. By 2040 over half of all electricity may be generated in the same place it's used. Centralised, coal-fired power is over An article that might provide stimulus for the General Mathematics Focus Study on Personal Resource Usage.

July 13, 2014

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7:04 PM | what does not have to be proved in mathematics
newest motivation
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9:39 AM | Complex Numbers are Awesome
"When am I ever going to use this?" An interesting discussion about the application of Complex Numbers.
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9:24 AM | Fundamental Theorem of Algebra - Numberphile
A follow-up to part one on Odd Equations.
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9:19 AM | Odd Equations - Numberphile
If the highest power of a function or polynomial is odd (e.g.: x^3 or x^5 or x^4371) then it definitely has a solution (or root) among the real numbers. Here's a nice proof demonstrated by Prof David Eisenbud from the Mathematical Sciences Research Institute.
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8:48 AM | The birthday paradox at the World Cup
How does the classic birthday paradox hold up at the Brazil World Cup?
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8:41 AM | Designers Fine-tune the Aerodynamics of World Cup Soccer Balls
(Links to a 640 KB PDF) An advanced PDF investigating the design and manufacturing techniques used in World Cup balls throughout history. Published by the Society for Industrial and Applied Mathematics.
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8:29 AM | Interactive History of World Cup Balls
A timeline investigating the geometry of the balls used throughout history of the football World Cup.
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6:47 AM | How Much Information?
How much information is there in Spanish vs English, you vs the world? A discussion of information and some real-life examples of storing information. More of an interest piece for the General Mathematics topic FSCo2 Digital download and file storage.
Editor's Pick
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6:37 AM | The time value of money - German Nande
We've all heard the phrase "Time is money." But what do these two things actually have to do with one another? German Nande explains the math behind interest rates, revealing the equation that will allow you to calculate the future value of your money (if you wisely put it in the bank, that is).
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2:47 AM | Mathematics resources - Asia Education Foundation
The Australian Curriculum: Mathematics provides opportunities for students to learn about the understandings and applications of Mathematics by drawing on knowledge of and examples from the Asia region.
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2:34 AM | Why do honeybees love hexagons? - Zack Patterson and Andy Peterson
Honeybees are some of nature's finest mathematicians. Not only can they calculate angles and comprehend the roundness of the earth, these smart insects build and live in one of the most mathematically efficient architectural designs around: the beehive. Zack Patterson and Andy Peterson delve into the very smart geometry behind the honeybee's home. Related to this clip from The Code, Behind the Beehive.
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