user52817's user avatar
user52817's user avatar
user52817's user avatar
user52817
  • Member for 8 years, 4 months
  • Last seen this week
11 votes

Lowercase vs. uppercase letters for matrix entries

8 votes

Write $y=\sqrt{3+x}$ as the composite of two functions

10 votes

What are some research-level opportunities in mathematics that do not focus on proofs?

4 votes

Why is calculus important for pre-service Math basic school teachers?

4 votes

Can 5 - 3a be described as five minus three times a?

10 votes

Skipping a calculus topic (squeeze theorem)

2 votes

How best to explain the logarithm to the mathematically naive?

1 vote

What term describes the relationship between tenth, hundredth, thousandth and the number ten?

2 votes

Probability — analytical results instead of simulations

7 votes

What's the Deal with Inverse Cotangent?

5 votes

Is there a measurable learning goal related to understanding proofs of important theorems?

1 vote
Accepted

Explaining the intuition for why finding roots of polynomials is hard

4 votes

Is there an agreed upon difference between how we represent $\frac{a}{b}$ and $a \cdot \frac{1}{b}$?

11 votes

Why the fear of polynomial long division?

3 votes

Is it possible to understand decimals without understanding fractions?

2 votes

What is the rationale for distinguishing between proper and improper fractions?

9 votes

I want a "true" proof by contradiction of an implication P => Q

2 votes

implicit differentiation, formula of a tangent line

3 votes

Computing eigenvalues by hand without determinants

2 votes

Does the way we often introduce the concept of a function make sense?

5 votes
Accepted

What is the English word for the French "repère"?

6 votes

Big list of "interesting" abstract vector spaces

4 votes

What can (and should) an educator do about ambiguous terms like "triangle", "square", etc?

4 votes

Example of why proof by exhaustion is inelegant

3 votes

Why do we write $x$ instead of $1x$?

4 votes

Is it necessary to teach the definition of a limit for engineering majors?

9 votes

Why should or shouldn't we teach functions to 15 year olds?

1 vote

Should I avoid writing: $ 11:40 - 15 \text{ min} = 11:25$, and what are alternatives to this way of writing?

5 votes

Tension between the most intuitive definition vs. the most common definition of a concept

6 votes

Are there any applications of $x^x$?

1
2 3 4 5