Search

problem

Favourite

The Not-So-Simple Pendulum 1

16 to 18

See how the motion of the simple pendulum is not-so-simple after all.

problem

Favourite

Interactive Workout - Mathmo

16 to 18

Mathmo is a revision tool for post-16 mathematics. Give yourself a mathematical workout!

problem

Favourite

Olympic Triathlon

14 to 16

Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?

project

Bird Watch

7 to 14

Do you know which birds are regular visitors where you live?

problem

You and I play a game involving successive throws of a fair coin. Suppose I pick HH and you pick TH. The coin is thrown repeatedly until we see either two heads in a row (I win) or a tail followed by a head (you win). What is the probability that you win?