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Is there a best way to stack cans? What do different supermarkets do? How high can you safely stack the cans?

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.

Birds in the Garden

Age 5 to 11
Challenge Level
Do you notice any patterns in the information you have collected?
Did the same types of bird visit each day?
If you noted the times of each bird's sighting, can you see any patterns?
Were birds behaving in similar ways?