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Consecutive Numbers

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

Tea Cups

Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.

Counting on Letters

The letters of the word ABACUS have been arranged in the shape of a triangle. How many different ways can you find to read the word ABACUS from this triangular pattern?

Oranges and Lemons, Say the Bells of St Clement's

Age 11 to 14 Challenge Level:

An excellent introduction to this sort of bellringing can be found in Ringing Elementary Minor Methods on Handbells by Frank H. King (the Cambridge University Bellringer) and in Wikipedia.