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Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke
  • Member for 10 years, 2 months
  • Last seen this week
13 votes

Why are induction proofs so challenging for students?

12 votes

Examples of Mathematical Slang

12 votes

How To Help a Quiet Class

12 votes

Ideal Undergraduate Sequence

12 votes

Dividing by zero

12 votes

Real-world examples of more "obscure" geometric figures

12 votes

Distance Between Curves in First-Semester Calculus

12 votes

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

12 votes

Topological fun facts for high school students

12 votes

Introduction to Topology for 11 year olds

12 votes
Accepted

Critiquing Proof Style During Class

11 votes

Interesting Math Posters

11 votes

Proof of why BODMAS (or BIDMAS) works?

11 votes

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

11 votes

How to use false theorems or proofs?

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?

10 votes
Accepted

Good examples of non-convex optimization

10 votes

Good Examples of Questions to have Students Ponder Over Without Paper

10 votes
Accepted

Examples where roots are necessary for the solution

10 votes
Accepted

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

9 votes

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

9 votes

How well can students learn abstract concepts through concrete examples?

9 votes

Introductory real analysis before or after introductory abstract algebra?

9 votes

The sum - product problem

9 votes

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

9 votes

Ideas for high school pure maths projects

9 votes

Real-world examples of more "obscure" geometric figures

9 votes

Applications and motivation of abstract linear algebra topics for engineers

9 votes

What is a good book to learn all of prealgebra?

9 votes

Counterexamples to the Greedy Algorithm

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