User John Coleman

18 votes

Why don't textbooks explain proofs' discovery?

answered Aug 10, 2017 at 13:28

16 votes

Simple examples that violate group axioms

answered Aug 15, 2017 at 13:13

16 votes

Why do we teach complex numbers?

answered Sep 25, 2016 at 19:45

12 votes

For purposes of teaching, should constant functions be considered "linear functions"?

answered Jul 25, 2016 at 1:03

10 votes

Is there a simple real-world problem I can use to motivate a formula for $\displaystyle \sum_{i=1}^n i $?

answered May 9, 2017 at 23:58

7 votes

Accepted

How to explain the range to students?

answered Sep 9, 2016 at 16:24

6 votes

Why do we study ordinary differential equations?

answered Jul 28, 2016 at 14:33

6 votes

Activities for biology undergraduates taking integral calculus

answered Jul 25, 2017 at 12:13

5 votes

Why do students like proof by contradiction?

answered Jul 14, 2016 at 14:43

5 votes

Accepted

Ideas for teaching a bit of linear optimization to advanced undergraduates?

answered Jun 25, 2016 at 13:12

4 votes

Early vs. late transcendentals

answered Jun 26, 2016 at 13:08

4 votes

Why do we teach that every line is a linear function?

answered Apr 27, 2017 at 12:52

4 votes

How to retain the key points of an exercise?

answered May 20, 2017 at 12:26

4 votes

'Low-algebra' examples of induction

answered Sep 13, 2018 at 17:39

3 votes

Recommendation for an introductory operations research book

answered Sep 7, 2017 at 15:38

3 votes

Greatest common divisor applications

answered Mar 14, 2017 at 0:49

3 votes

Historical tidbits to liven up calculus classes

answered Mar 14, 2017 at 15:22

3 votes

Monte Carlo real life examples

answered Aug 26, 2016 at 13:04

3 votes

Teaching Asymptotes

answered Sep 17, 2016 at 12:55

2 votes

How to explain how to get an end point of a segment from the other end point and it's midpoint?

answered Sep 18, 2017 at 10:52

1 vote

Alternating group without $S_n$

answered Mar 19, 2019 at 17:15

1 vote

What is "subtract 4 from 3 times X" and why?

answered Aug 10, 2017 at 0:03

0 votes

Different approaches to proofs that "are the same"?

answered Jul 28, 2016 at 11:45

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23 Answers

Why don't textbooks explain proofs' discovery?

Simple examples that violate group axioms

Why do we teach complex numbers?

For purposes of teaching, should constant functions be considered "linear functions"?

Is there a simple real-world problem I can use to motivate a formula for $\displaystyle \sum_{i=1}^n i $?

How to explain the range to students?

Why do we study ordinary differential equations?

Activities for biology undergraduates taking integral calculus

Why do students like proof by contradiction?

Ideas for teaching a bit of linear optimization to advanced undergraduates?

Early vs. late transcendentals

Why do we teach that every line is a linear function?

How to retain the key points of an exercise?

'Low-algebra' examples of induction

Recommendation for an introductory operations research book

Greatest common divisor applications

Historical tidbits to liven up calculus classes

Monte Carlo real life examples

Teaching Asymptotes

How to explain how to get an end point of a segment from the other end point and it's midpoint?

Alternating group without $S_n$

What is "subtract 4 from 3 times X" and why?

Different approaches to proofs that "are the same"?