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Picture Story

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

The Root of the Problem

Find the sum of this series of surds.

Sums of Powers - A Festive Story

A story for students about adding powers of integers - with a festive twist.

Slick Summing

Age 14 to 16
Challenge Level

Take a look at Picturing Triangular Numbers first.

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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