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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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Calendar Capers

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

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Days and Dates

Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

Funny Factorisation

Age 11 to 14 Challenge Level:

This printable worksheet may be useful: Funny Factorisation.


Missing Multipliers might be a good problem to try before looking at this one.