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Mathematics Educators
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Opal E
  • Member for 10 years, 3 months
  • Last seen this week
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I have a B.S. in math and in chemistry and a Ph.D. in mathematics. I taught high school geometry for two years before my math Ph.D. program, where I continued to teach college courses each term. I am currently a mathematician.

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Top posts
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37
Combative students in proofs classes
Nov 8, 2021
21
At what point is it a disservice to pass someone on to the next math class?
Nov 1, 2015
17
"Always/Sometimes/Never" vs. "True/False" questions for mathematical reasoning
Nov 2, 2018
17
Real-world examples of more "obscure" geometric figures
Mar 8, 2015
16
How do I learn advanced mathematics without forgetting?
Jul 15, 2020
15
Are there examples of central symmetry, without axial symmetry, in nature?
Jan 30, 2023
15
Adding things to bunches of things vs multiplication
Aug 15, 2019
14
Research/Anecdotes supporting WebWork, MyMathLab and other computerized, immediate feedback HW
Jan 21, 2016
14
Resources for high school teachers about APOS theory
Aug 23, 2017
13
Physical vs. Virtual manipulatives in the high school classroom
Mar 7, 2016
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8
Proof for "Given any basis of a topological space, you can always find a subset of that basis which itself is a basis, and of minimum possible size."
5
Show that $f(x) = |x|$ is continuous on $\mathbb R$
5
Distinguishing "Presentations" and "Experience" in CV for application for Ph.D