maths
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Test Your Intelligence With This Classic Bridge-Crossing Riddle
15Some riddles are more than just a bit of fun — they’re also an effective intelligence barometer. The following brain-teaser from TED-Ed will test both your maths knowledge and ability to think outside the box. It starts with four people who need to get to the other side of a bridge, each with their own…
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Can You Save Money On Petrol By Half-Filling Your Fuel Tank?
It’s often said that driving with a half-full tank will save you money on fuel, but do the numbers really stack up? Tim Trudgian from the Australian National University investigates.
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See How Long It Takes To Triple An Investment With The Rule Of 115
If you’re just getting into investing and fast maths isn’t your strong point, you can quickly see how long it will take to triple your investment with the rule of 115.
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How To Blitz Your Technology, Science, Maths And Engineering Exams
With HSC exams coming up, students will be preparing to sit a range of different exams, from English to music to biology to languages. For study in science, technology, engineering and mathematics (STEM) there are two sets of tactics for preparation: the usual, well-established ones; and the lesser-known but evidence-based approaches that have a powerful…