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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.

Finding Fifteen

Age 7 to 11 Challenge Level:

Try starting with one number, for example 1. Which other two numbers can you add to 1 to make 15? Is there more than one way of doing it?
How many ways can you make 15?