#3.2 Lesson planning

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#3.3 Teaching materials

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#3.4 Interdisciplinary ideas

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#3.5 More on this topic

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#3.6 A word from the scientists

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#3.7 Solutions

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#Scan the secrets of numbers

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#2.1 Didactic commentary

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#2.2 Lesson planning

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#2.3 Teaching materials

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