CTK Insights

Archive for the 'Wisdom to live by' Category

25 May


TweetPaul Meehl's (1954) book Clinical Versus Statistical Prediction: A Theoretical Analysis and a Review of the Evidence appeared 25 years ago. It reviewed studies indicating that the prediction of numerical criterion variables of psychological interest (e.g., faculty ratings of graduate students who had just obtained a Ph.D.) from numerical predictor variables (e.g., scores on the […]

14 Aug

The 5 Elements of Effective Thinking

Be as it may, I find it significant that the two math professors chose a venue other than employing Algebra as a tool for improving their readers' thinking. Had the book been written around an algebra course it would have no competitors.

07 Jul

It Takes a Mathematician to Appreciate Architecture

The Dean wondered why he had promised the professor of mathematics to do all he could for this boy. Merely because the professor had said: "This," and pointed to Roark's project, "is a great man." A great man, thought the Dean, or a criminal. The Dean winced. He did not approve of either.

22 Apr

D. E. Smith's Quotes

TweetDavid Eugene Smith was a well-known author, math historian and educator and a past president of the Mathematical Association of America. His 1913 address to the New England Association of Teachers of Mathematics raises and attempts to answer questions that are relevant to math education today as they were then. Below I gathered several quotes […]

21 Feb

Mathematical Legends

TweetThe bible takes six words to describe the evolution of the Hebrew tribe in Egypt from 70 souls to a people (Exodus 1.7). The closest translation I found among several is this: "... and the sons of Israel have been fruitful, and they teem, and multiply, and are very very mighty ..." In Hebrew, the […]

10 Aug

When am I ever going to use this? Why do we need to learn this?

TweetProbably every math teacher has the experience of facing such questions; most likely the students who asked them were not looking for the answers as arguments to study mathematics, but rather in support of their conviction that the effort is not necessary. Most of the answers teachers give perfectly serve this purpose. I wrote about […]

23 Jul

Wisdom of Kozma Prutkov

TweetKozma Prutkov is a collective pen name of the count Aleksey Konstantinovich Tolstoy and two of his cousins - Zhemchuzhnikov brothers, Alexei and Vladimir. Mostly in the 1850s-60s, Kozma Prutkov published aphorisms, fables, epigrams, satiric plays, humorous and nonsense verses. Many of the aphorisms became an authentic part of Russian folklore. If ever asked what […]

28 May

Daddy's Day at School

TweetA few days ago my 11 years old son told me he would like to forward me an email he received from one of his friends and whether I would mind. The boy was noticeably agitated and appeared on the verge of tears. The message he sent is below. I just want to say how […]

06 Nov

Wisdom from a WWII Chess Book

TweetIn an odd sort of events I came across a quote from an old Russian chess book. The author instructed his readers to place the rook behind a pawn, as long as it was a correct move. Wisdom to live by. I was reading City of Thieves by David Benioff - an American writer, a […]

27 Jun

Gambling Crusade

TweetIn a recent post I have opined that an engaging book on the follies of gambling well deserves to be included in the classic Extraordinary Popular Delusions and the Madness of Crowds by Charles Mackay, LLD. In fact the latter mentions (p. 425) that gambling was a matter of concern during the third crusade (led […]

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