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What kind of number do you get when you add two odd numbers together?
How about adding an odd number to an even number?
Can you use these results to help you to see what is happening in your addition of two odd numbers and one even number?
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.