Tim Harford talks to authors Chip Heath and Karla Starr about their book ‘Making Numbers Count’, exploring how we can better explain complex numbers to the public. Show more Have you ever looked at a ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello! Today we're learning to recognise quantities of objects without counting. A quantity is another ...

As a team, use subitising to estimate how big the heist is and recover the fortune from those greedy goats. Then, use number sentences to explain your thinking. Estimate the total of a collection ...

Have you ever looked at a numerical claim and thought ‘what on earth does that mean?’ Complex numbers are often badly communicated, making it difficult for the public to appreciate what they signify - ...

Have the oceans become 30% more acidic? Did the WHO get some of its excess death estimates wrong? Are just 100 companies responsible for 71% of global emissions and how stressed are South Africans?