The activities in this feature all make use of Cuisenaire rods, which are blocks coloured according to their length. We hope you enjoy being playful with the rods as they help you uncover and connect some important mathematical ideas. Don't worry if you haven't got any rods of your own as you could use our interactive Cuisenaire environment.

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Here are some rods that are different colours. How could I make a yellow rod using white and red rods?

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How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?

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An environment which simulates working with Cuisenaire rods.

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A train building game for two players. Can you be the one to complete the train?

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How many different rectangles can you make using this set of rods?

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These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?

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Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2?

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Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?