Pi is a number used in maths used to work out the circumference of a circle (the distance around the outside) or the radius (the distance from the edge of…

A Möbius strip is a loop of paper with a twist in it, that behaves in a very odd way. How to Make a Möbius Strip Take a strip of…

The most accurate way to measure something is using a tape measure, but some things are too tall (or too scary) to climb with a ruler. Try the different methods…

A right angle is a square-shaped or L-shaped angle, and measures 90 degrees (a quarter of a circle). A square is made up of four right angles. Make a Right…

Mathematicians use mathematical proofs to prove that what they say about numbers is true. Some proofs look true but aren’t – these are known as fallacies. Here are a few…

Knowing the times tables is helpful to be able to do mental arithmetic. But it is also useful to have some other tricks to help with multiplying. In these experiments,…

The golden ratio (also known as the golden section or golden mean, or as the Greek letter ‘phi’) describes a rectangular shape that people find an attractive shape, particularly in…

A fractal is a pattern that repeats itself, getting smaller and smaller each time. Each part of the pattern looks like a smaller version of the whole thing. A tree…

‘Minibeast’ is the collective name for many small animals, including spiders, slugs and snails, worms, insects, centipedes and many other things. Minibeasts are also called invertebrates, which means they do…