This investigation is an effective way of introducing triangular numbers for those in KS3 and gets students to explore the sequence of triangular numbers through shapes and their properties. Pupils ...

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 ...

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...