Category
From fractions to probability and growth: articles that treat maths not as formulas to memorise but as a tool for thinking.
NewestMathematics
Scaling up a recipe, finding a distance on a map and working out travel time all rest on the same two ideas: direct and inverse proportion. How do you tell them apart, and when do you multiply and when divide? Everyday examples and common mistakes.
Kuazara Bilim Ekibi5 min read
Does a 20 percent price rise followed by a 20 percent discount bring the price back to where it was? We explain percentage formulas, successive discounts, percent vs percentage points and VAT, with shopping examples.
7 min read
The difference between simple and compound interest looks small in the first years, but over time it grows surprisingly large. We explain the maths of exponential growth, the rule of 72, the effect of inflation and the story of the number e, with examples.
10 min read
In a class of 23, the chance that two people share a birthday is over 50 per cent. After five heads in a row, are tails now due? We work through two classic examples that fool our sense of probability, with the calculations.
10 min read
What is pi, where does 3.14 come from, and why do its digits never end? We explain this ratio between a circle's circumference and its diameter, Archimedes' method, the 22/7 misconception, and how to measure pi at home with a piece of string.
7 min read
Why do fractions feel so hard? With examples, we look at where pizza slices fall short, the power of the number line, common mistakes, and ways to make adding, comparing and dividing fractions meaningful.
11 min read