Videos
A-Level Mathematics
Pick a topic to watch.
6 video lessons
28:42
Topic 1
Pure Mathematics 1
Look at a great suspension bridge. Its huge cable is not a random shape — it hangs in a perfect parabola, a curve you can write with a single equation. The…
12:32
Topic 2
Pure Mathematics 2
In two thousand eleven, an earthquake off Japan measured nine on the Richter scale. A smaller quake might measure six. Only three points apart — yet the first…
13:35
Topic 3
Pure Mathematics 3
For centuries, mathematicians hit a wall: what is the square root of minus one? No ordinary number, squared, gives a negative. They called it impossible, and…
12:38
Topic 4
Mechanics
Push a shopping trolley, and it speeds up. Push harder, and it speeds up faster. Push a heavier one with the same effort, and it barely moves. All of mechanics…
11:38
Topic 5
Probability & Statistics 1
Roll a single die, and the result is anyone's guess. But roll it thousands of times, or measure the heights of thousands of people, and something remarkable…
10:06
Topic 6
Probability & Statistics 2
Cambridge, the nineteen-twenties. At a garden party, a lady says something surprising. She can taste, she claims, whether the milk was poured into the cup…