NRICH: Odds, Evens and More Evens
NRICH (University of Cambridge)

Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions…

NRICH: Tower of Hanoi
NRICH (University of Cambridge)

The Tower of Hanoi is an ancient mathematical challenge. Working on the building blocks may help you to explain the patterns you notice.

NRICH: Double Trouble
NRICH (University of Cambridge)

Simple additions can lead to intriguing results…

NRICH: Picture Story
NRICH (University of Cambridge)

Can you see how this picture illustrates the formula for the sum of the first six cube numbers?

NRICH: Exploring Cubic Functions
NRICH (University of Cambridge)

Quadratic graphs are very familiar, but what patterns can you explore with cubics?