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How many centimetres of rope will I need to make another mat just like it?
How much rope would I need to make a $12$ cm square, or a $16$ cm square?
Is there a quick way to work this out?
Take a counter and surround it by a ring of other counters that MUST touch two others. How many are needed?
These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.