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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.

Number Differences

Age 7 to 11 Challenge Level:

Try putting any number in one square to start with.
What numbers could go in the squares which join this first square? What do all these options have in common? Can this help you find other arrangements of the numbers?
You might like to print out this sheet of blank grids if you are not using the interactivity.