For about a decade now, mathematicians and mathematics educators have been weighing in on a particular debate rooted in school mathematics that shows no signs of abating. If you're like most, your ...

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Here’s a simple-sounding problem: Imagine a circular fence that encloses one acre of grass. If you tie a goat to the inside of the fence, how long a rope do you need to allow the animal access to ...

If you’re someone who enjoys giving your brain a workout with puzzles and riddles, a new brain teaser might just be your next challenge. Shared by a Facebook user named Arshdeep Soni, the teaser ...

Brain teasers, mathematical expressions, and optical illusions improve our cognitive power. Solving these puzzles every day improves the concentration and focus strength of the human brain. (Image ...

To remove brackets is to multiply the term outside the brackets by each term inside. Factorising an expression is to write it as a product of its factors. Check your understanding of the process with ...

While most adults are more than happy to be a long way away from their school exams, many of us enjoy challenging ourselves with a quiz or a puzzle. Keeping your mind sharp as you get older becomes ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...