In the real world, all numbers are rounded off in some way at some point
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This PoMo shit isn't, or shouldn't be, ivory tower "advanced studies" It's essential both to having a philosophical view of what math actually is and what it means, and a practical view of why we use it and why it's important
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The schoolyard idea of "doing sums" is not what actual mathematics is about, and is seen by most students forced to endure it as both an uninteresting and a useless exercise And they're right
End of conversation
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It depends on where they are in their intellectual development. We have calculators now, but "in my day" we had to do the drudgery of memorization at a young age to be able to do more advanced calculations. Here is where pedagogy comes in.
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