User Joseph O'Rourke - Mathematics Educators Stack Exchange

Joseph O'Rourke

Member for 9 years, 2 months
Last seen this week

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cs.smith.edu/~jorourke
Northampton, MA, USA

383 Answers

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13 votes

Examples of relations that are not functions

answered May 4, 2022 at 0:22

12 votes

Distance Between Curves in First-Semester Calculus

answered Mar 12, 2021 at 17:28

12 votes

What are some of the open problems that can be suitably introduced in a calculus course?

answered Jun 23, 2020 at 1:04

12 votes

How To Help a Quiet Class

answered Aug 17, 2018 at 0:37

12 votes

Introduction to Topology for 11 year olds

answered May 27, 2015 at 0:23

12 votes

Ideal Undergraduate Sequence

answered May 22, 2014 at 2:06

12 votes

Dividing by zero

answered Oct 26, 2014 at 0:17

12 votes

Real-world examples of more "obscure" geometric figures

answered Mar 6, 2015 at 0:38

11 votes

Looking for software for plotting exact and beautiful (function-)graphs

answered Mar 18, 2015 at 11:55

11 votes

Accepted

Critiquing Proof Style During Class

answered Jun 17, 2015 at 22:05

11 votes

Interesting Math Posters

answered Apr 1, 2015 at 22:43

11 votes

Examples of Mathematical Slang

answered Jan 8, 2016 at 4:39

11 votes

Proof of why BODMAS (or BIDMAS) works?

answered May 8, 2016 at 22:02

10 votes

Good Examples of Questions to have Students Ponder Over Without Paper

answered Mar 29, 2017 at 18:58

10 votes

Accepted

Scientific results on the usefulness of physical units in secondary education?

answered Jun 4, 2019 at 23:10

10 votes

Accepted

Good examples of non-convex optimization

answered Dec 11, 2015 at 1:44

10 votes

How to use false theorems or proofs?

answered Nov 22, 2015 at 0:22

10 votes

Impossibility of trisecting the angle, doubling the cube and alike, what are reasons for or against discussing them in a course on algebra?

answered Oct 18, 2015 at 20:30

10 votes

Accepted

Examples where roots are necessary for the solution

answered May 29, 2015 at 0:00

9 votes

What is a good book to learn all of prealgebra?

answered Jun 12, 2015 at 0:42

9 votes

Reference requests: Is there a text that is even more advanced than books on "advanced engineering mathematics"

answered Jul 14, 2015 at 11:45

9 votes

The sum - product problem

answered May 7, 2015 at 0:23

9 votes

Real-world examples of more "obscure" geometric figures

answered Oct 21, 2015 at 22:48

9 votes

Applications and motivation of abstract linear algebra topics for engineers

answered Oct 27, 2015 at 23:41

9 votes

How to explain that a negative number multiplied by a negative number is a positive number, and that $-(-x)=x$?

answered Nov 9, 2014 at 21:05

9 votes

Ideas for high school pure maths projects

answered Mar 31, 2014 at 11:15

9 votes

Introductory real analysis before or after introductory abstract algebra?

answered Aug 3, 2019 at 23:04

9 votes

What is the quantitative data on effectiveness of "modern" teaching methods?

answered Dec 27, 2019 at 2:03

9 votes

Counterexamples to the Greedy Algorithm

answered Mar 4, 2016 at 14:21

9 votes

Is there a virtue to learning how to compute by hand?

answered Mar 2, 2021 at 1:06

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