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Consecutive Numbers

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

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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.

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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?

Product Sudoku 2

Stage: 3 and 4 Challenge Level: Challenge Level:1

Rosie and Zoe solved this Sudoku. Their journey can be found here.

They kept a record of the order in which they filled the Sudoku and wrote it in the boxes. This is just one possible route through the problem.