– why is 0.999… equal to 1?

Question

I know the Arithmetic proof and everything but how to explain this practically to a kid who just started understanding the numbers?

In: 3202

Answer 1

x = 0.999….

10x = 9.999….

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10x – x = 9.999… – 0.999…

9x = 9

x = 1

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That’s how I learned in math class.