FormerMath
  • Member for 7 years, 2 months
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Remote work in math academia
7 votes

On the teaching side, I could see how remote teaching can eliminate many of the inefficiencies that were present pre-pandemic. For instance, why do we need to give three identical lectures on Calculus ...

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

Many of the geometric figures are so elementary that they are deeply rooted in daily language, and there seems to be no great solution. I agree with you here, and I think this is the key point. To me ...

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A linear equation -- my approach
6 votes

Example: $(x+1)(x−1)=x^2+2x+1$ is an linear equation. I agree with all above answers. I wouldn't say that it is a linear equation, but it reduces to, or it is solved by or any other phrase you want ...

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Question formats for online tests, to deter cheating
6 votes

One of the things I'm currently testing is the addition of "find the error" based problems, and possible variations. For example (related but not the same topic) last semester I taught ...

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Is there a name for this method of column addition and subtraction?
4 votes

I don't know if your idea has a name, but it feels weird when you try to apply it to something like 10-4: \begin{array}{r} & 1 & 0\\ -\!\!\!\!\!\!& \! & 4 \\ \hline & & -4 \\ +\...

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

Gompertz model was created in 1825 to study human mortality curves. From the 1920's, it was used in economic fields, and from there it was also used in Biology to study cells and microorganisms, such ...

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implicit differentiation, formula of a tangent line
3 votes

Without being rigourous, the equation $F(x,y)=0$ defines a relation between $y$ and $x$. To promote this relation to a function, some restrictions in the $(x,y)$-plane has to be imposed. Assuming that ...

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