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David Ebert
  • Member for 8 years, 2 months
  • Last seen more than a month ago
9 votes
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How do you explain why perpendicular lines have negative reciprocated slopes?

8 votes

Counterintuitive consequences of standard definitions

7 votes

Evidence showing that returning tests helps students

7 votes

Ideas for high school pure maths projects

5 votes

Cost and benefits of compartmentalization in k-12 curriculum

5 votes

Is $e^{i\pi}+1=0$ a good motivation for introducing $e$ or $i$? Why (not)?

4 votes

Do all high school students need the same 3-year sequence of math courses?

4 votes

How to justify teaching students to rationalize denominators?

3 votes

Adoption / penetration rates for dynamic geometry software in secondary school

3 votes

Fun games for children

3 votes

What can be done to improve the standard of mathematics in South Africa?

3 votes

What are some good rules for handling student questions during exams?

3 votes

Are puzzles a good way to interest pre-college students?

2 votes

How do you revise?

2 votes

Given a 3 4 5 triangle, how do you know that it is a right triangle?

2 votes

Research/Anecdotes supporting WebWork, MyMathLab and other computerized, immediate feedback HW

0 votes

I wanna learn math!