An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
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?
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
Remember that there is only one of each number from $1 - 15$.
You can download a set of cards numbered $1 - 15$ here.
How will you remember which combinations you have tried?