This maths activity uses triangular numbers to calculate the number of gifts in the 12 days of Christmas. In this festive maths activity, students will learn about triangular numbers and how, when a ...

This is a great revision source for KS3 and KS4 pupils on triangular numbers. The resource includes a definition and explanation, patterns which can be found in the sequence, how to find the nth term ...

One of the most magical aspects of mathematics is the ability for complex and intricate structures to emerge from the simplest of rules. Few mathematical objects are simpler to create – and few weave ...