QED Insight (Santo D’Agostino)

Recent Posts
 How does the value of an inverse cosine function change when the unit of its argument changes?
 Why do Airplanes Fly?
 New Online Tutoring Site: QED Infinity
 “Religious Right’s Rejection of Science is Baffling,” by David Suzuki
 The Day Niagara Falls Ran Dry
 “A Lesson in Teaching to the Test, From E.B. White,” by Anne Stone and Jeff Nichols
 “Student Learning Can Only Be Described, Not Measured,” by Rog Lucido
 A Neat Trick For Determining The Integrals Of exp(x) cos x And exp(x) sin x
 “No Student Left Untested,” by Diane Ravitch
 Confusing Use Of Numbers: BestBefore Dates
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Monthly Archives: January 2012
A Number Riddle
My nephew Matthew sent me a number riddle (thanks, Matt!), which I pass on here: 1 is 3, 3 is 5, 5 is 4, and 4 is cosmic. Why is 4 cosmic? What happens to the other numbers? As is … Continue reading
Posted in Math puzzles, Thinking puzzles
Tagged 4 is cosmic, math puzzle, riddle, thinking puzzle
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How Much Mathematics Should A Student Memorize? Part 6, Derivatives Of Exponential And Logarithmic Functions
In teaching calculus many, many times over the years, I strove to present to my students my approach to learning and mastering the subject. Part of this approach can be summarized by the slogan memorize the minimum As a teacher, … Continue reading
Posted in Calculus, Education, Mathematics
Tagged Alfred North Whitehead, derivative, exponential, knolwedge keeps no better than fish, logarithm, logarithmic differentiation, memorization, memorize the minimum, memorizing formulas, memorizing mathematics, the more you understand the less you have to memorize, Whitehead
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Failing … To Learn
Dr. Brian Goldman is an emergencyroom medical doctor and host of the excellent CBC radio program White Coat, Black Art. As I was tidying up some computer files I came across some notes from one of his CBC radio appearances … Continue reading