Mathematics Educators
Opal E's user avatar
Opal E's user avatar
Opal E's user avatar
Opal E
  • Member for 9 years, 5 months
  • Last seen this week
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15
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About

I have a B.S. in math and in chemistry. I taught high school geometry for two years and am now in a math Ph.D. program, where I continue to teach some college courses.

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Top posts
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All Questions Answers
Score Newest
question
36
Combative students in proofs classes
Nov 8, 2021
question
20
At what point is it a disservice to pass someone on to the next math class?
Nov 1, 2015
answer
17
Real-world examples of more "obscure" geometric figures
Mar 8, 2015
answer
16
How do I learn advanced mathematics without forgetting?
Jul 15, 2020
answer
15
Are there examples of central symmetry, without axial symmetry, in nature?
Jan 30
answer
15
Adding things to bunches of things vs multiplication
Aug 15, 2019
question
15
"Always/Sometimes/Never" vs. "True/False" questions for mathematical reasoning
Nov 2, 2018
question
14
Research/Anecdotes supporting WebWork, MyMathLab and other computerized, immediate feedback HW
Jan 21, 2016
question
14
Resources for high school teachers about APOS theory
Aug 23, 2017
question
13
Physical vs. Virtual manipulatives in the high school classroom
Mar 7, 2016
Top network posts
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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
Distinguishing "Presentations" and "Experience" in CV for application for Ph.D
5
Show that $f(x) = |x|$ is continuous on $\mathbb R$

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