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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:
Take a look at the video below.

Can you describe what happens?

Can you explain how the video might continue, if more little cubes were available?

Can you be sure that the patterns in the video will carry on?

Can you use algebra to represent the patterns you saw?