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Consecutive Numbers

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

Roll These Dice

Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?

Domino Square

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

A Square of Numbers

Age 7 to 11
Challenge Level

Can you put the numbers $1$ to $8$ into the circles so that the four calculations are correct?


square of sums

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