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An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

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Choose any three by three square of dates on a calendar page...

Farey Sequences

There are lots of ideas to explore in these sequences of ordered fractions.

Squares in Rectangles Poster

Age 11 to 14 Challenge Level:

This poster is based on the problem Squares in Rectangles.
The poster is available as a pdf.

The poster should automatically open in your browser.
This poster is also available as a .png image file by clicking here.