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For questions about mathematical proofs in an educational context.

13
votes
6answers
When asked to show a math problem has a unique solution, students sometimes think that if an algorithm leading to a solution has unambiguous instructions at each step (no need to make choices at any p …
asked Oct 22 '17 by KCd
0
votes
Does your friend get bothered by multiplication? You say $+$ and $-$ are okay but division is problematic, so you skipped over multiplication. If your friend is okay with multiplication, and knows ab …
answered Jan 16 '21 by KCd
5
votes
Can all of your students correctly explain what the supremum and infimum of a set are? If not, they will be unable to reason about these concepts. It would be like expecting a student to do something …
answered Feb 15 '18 by KCd