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Joel Reyes Noche

I am a simple man with simple pleasures.

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43 Why is it possible to teach real numbers before even rigorously defining them? Nov 2 '19
32 What's a replacement for “married couples” in combinatorics problems? Mar 3 '18
24 How to convince students of the implication truth values? Apr 17 '19
22 What female mathematician can I introduce to my High School students? Apr 21 '14
22 Repeated addition: standard notation? Oct 27 '15
21 How does a teacher come up with plausible wrong answers for multiple choice tests? Mar 15
20 Content for a 40-minute lecture on graph theory for high schoolers May 8
19 What is a good handwriting font for mathematics? Mar 14 '14
18 The “water triangle” proportional reasoning task Mar 13 '14
17 How to explain that a negative number multiplied by a negative number is a positive number, and that $-(-x)=x$? Nov 9 '14
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