Category: Teaching and Growing
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A Journey of Self-growth in Learning Mathematics
After receiving the mid-term exam paper, J.L., a student in my math class, cried to me, “I’ve tried my best to learn geometric proofs, but I just don’t know when and where to add auxiliary lines. I’m not as smart as D.G. (D.G. is the best performer in the class). Mathematics frustrates me”. J.L. is…
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What’s wrong with the logic in counting?
QuestionThree females and three males are applying for three identical positions with a company. The hiring committee wants to hire at least one woman. How many different ways can the four positions be filled? Student answerSince at least one woman will be hired, choose 1 woman out of 3 firstly to secure a woman C(3,1).…