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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.

Summing Squares

Discover a way to sum square numbers by building cuboids from small cubes. Can you picture how the sequence will grow?

Picture Story

Age 14 to 16
Challenge Level

The picture below shows how the slices of cube were arranged in the video.

A large square divided into smaller squares.