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For questions about the mathematical education in the first years in school (ages approx. 5-10).

3 votes

Finding an analogy to explain the function of a binary adder

I think if you've played Monopoly you understand that once you get 10 one-dollar bills, you'd rather trade them in for a ten-dollar-bill. And once you get 10 ten-dollar bills, you'd rather trade them …
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