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Move the top right-hand corner of the rectangle.

Can you work out what the purple number represents?

What would be the dimensions of a rectangle with a purple number of 24? Is there more than one?

If I tell you the coordinates, can you find a quick way to work out the purple number?

What other interesting questions might you explore?

Want to share what you've done? Got any interesting questions or ideas?

Send us your thoughts.

Send us your thoughts.