We have seen the sizes and price of a wood board. We deduced that after seeing a drawing with sizes and a price. The sizes were in two different formats, with cm and m or with cm and mm. This fact created a conversation around sizes and formats. Someone pointed out that a week could be measured with days or weeks. Therefore seven days equals one week. In the end we concluded the measurements meant the same but they were splitted in different units.
Later we represented on the floor the wood board. One Tintin thought we could use only one board in order to make the base for all our models. Since we need eight, they started dividing the area in two long parts. Later on, they splitted the two rectangles into four with a perpendicular line. Dividing again the rectangles we got a total of eight squares with 61 cm per side.
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