User Joseph O'Rourke

5 votes

1 answer

275 views

Demarcated "Proof Idea"

asked May 27 at 17:23

4 votes

2 answers

1k views

Is the Wronskian still assumed for graduate education?

asked May 19, 2022 at 23:46

16 votes

11 answers

2k views

Natural occurrences of a to the (b to the c)?

asked Mar 19, 2021 at 0:16

3 votes

4 answers

701 views

What is an algebraic explanation of why the product of the slopes of perpendicular lines is $-1$? [duplicate]

asked Nov 14, 2020 at 1:22

1 vote

3 answers

505 views

When are students taught implicit and parametric representations of curves?

asked Nov 2, 2020 at 21:01

4 votes

2 answers

609 views

Advice: How to cite literature for high-school students?

asked Oct 17, 2020 at 23:49

10 votes

1 answer

249 views

College undergraduate geometry courses

asked Sep 20, 2020 at 1:07

7 votes

1 answer

204 views

Solving open problems through a misunderstanding

asked May 12, 2020 at 21:44

11 votes

11 answers

4k views

Ideas for explaining 4D and higher dimensions

asked Apr 5, 2020 at 23:43

6 votes

0 answers

209 views

Tablet whiteboard app w e-pencil

asked Mar 15, 2020 at 20:13

21 votes

2 answers

1k views

Can we avoid confusion over using "let" as a quantifier?

asked Feb 24, 2020 at 0:00

9 votes

2 answers

401 views

Fear of 3-dimensions

asked Feb 9, 2020 at 0:25

19 votes

4 answers

3k views

Does anyone teach logarithms via slide rules?

asked Jan 2, 2020 at 23:54

6 votes

3 answers

361 views

Cardinal vs. ordinal: When learned? When needed?

asked Dec 18, 2019 at 14:26

4 votes

1 answer

429 views

Cinderella vs. GeoGebra

asked Nov 28, 2019 at 1:09

37 votes

12 answers

5k views

Beautiful planar geometry theorems not encountered in high school

asked Nov 15, 2019 at 23:49

4 votes

1 answer

336 views

The most transparent exposition of Bayes' Theorem

asked Aug 24, 2019 at 20:48

17 votes

5 answers

12k views

What is the most difficult concept to grasp in Calculus 1?

asked Aug 14, 2019 at 12:53

9 votes

1 answer

181 views

Motivation vs. Rigor

asked Jul 20, 2019 at 23:17

10 votes

0 answers

628 views

Use of Lockhart's Measurement in a course?

asked May 2, 2019 at 23:09

7 votes

3 answers

266 views

Why is it difficult to freely change between points and vectors?

asked Apr 17, 2019 at 23:38

2 votes

0 answers

111 views

Tactile Learning Activities in Mathematics

asked Jan 4, 2019 at 23:32

15 votes

6 answers

1k views

Iconic image to explain the fundamental theorem of calculus?

asked Oct 11, 2018 at 23:06

7 votes

4 answers

305 views

Beyond cubic polynomials: Applications?

asked Sep 29, 2018 at 23:18

9 votes

5 answers

1k views

Motivation for polynomial long division

asked Sep 1, 2018 at 13:39

5 votes

2 answers

355 views

Trends in math education: Majors? Applied math? Statistics?

asked Jul 14, 2018 at 1:36

4 votes

0 answers

167 views

Intuition: 5 regular polyhedra, 6 regular 4-polytopes, and then 3 regular d-polytopes

asked May 28, 2018 at 23:33

3 votes

1 answer

461 views

Calculus via a constructivist approach

asked May 19, 2018 at 0:47

13 votes

4 answers

995 views

Is Calculus Necessary?

asked Aug 11, 2017 at 14:10

8 votes

1 answer

177 views

Multiplying two decimals using (camouflaged) binary representation

asked Jun 12, 2017 at 0:48

Stack Exchange Network

52 Questions

Demarcated "Proof Idea"

Is the Wronskian still assumed for graduate education?

Natural occurrences of a to the (b to the c)?

What is an algebraic explanation of why the product of the slopes of perpendicular lines is $-1$? [duplicate]

When are students taught implicit and parametric representations of curves?

Advice: How to cite literature for high-school students?

College undergraduate geometry courses

Solving open problems through a misunderstanding

Ideas for explaining 4D and higher dimensions

Tablet whiteboard app w e-pencil

Can we avoid confusion over using "let" as a quantifier?

Fear of 3-dimensions

Does anyone teach logarithms via slide rules?

Cardinal vs. ordinal: When learned? When needed?

Cinderella vs. GeoGebra

Beautiful planar geometry theorems not encountered in high school

The most transparent exposition of Bayes' Theorem

What is the most difficult concept to grasp in Calculus 1?

Motivation vs. Rigor

Use of Lockhart's Measurement in a course?

Why is it difficult to freely change between points and vectors?

Tactile Learning Activities in Mathematics

Iconic image to explain the fundamental theorem of calculus?

Beyond cubic polynomials: Applications?

Motivation for polynomial long division

Trends in math education: Majors? Applied math? Statistics?

Intuition: 5 regular polyhedra, 6 regular 4-polytopes, and then 3 regular d-polytopes

Calculus via a constructivist approach

Is Calculus Necessary?

Multiplying two decimals using (camouflaged) binary representation