Working systematically

There are 604 NRICH Mathematical resources connected to Working systematically
Placeholder: several colourful numbers
article

Binomial coefficients

An introduction to the binomial coefficient, and exploration of some of the formulae it satisfies.
Placeholder: several colourful numbers
project

Troublesome triangles

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple simulation game to investigate the properties of such systems.