Explaining the square root of i in the most pleasant way – The Joy of Mathematics
Ok mathematics people, how is it?
My favorite line, “Just beat the Euler out of it…”
What is an error in English? The concept of language errors is a fuzzy one. I’ll leave to linguists the technical definitions. Here we’re concerned only with deviations from the standard use of English as judged by sophisticated users such as professional writers, editors, teachers, and literate executives and personnel officers. The aim of this…
6 Truths About Technology in Education I recently had the opportunity to Keynote the University of Pennsylvania Literacy Network’s Winter Symposium. Penn Literacy Network founder Mort Botel (who was also a former President of the International Reading Association) wrote one of the most influential works in my teaching career, “The Plainer Truths of Teaching/Learning/Assessing Across the Curriculum“;…
Fingers, blocks, pebbles and a myriad of other physical manipulatives are all tools helping students problem solve. But does that usefulness carry over when physical manipulatives give way to digital ones? The answer is a resounding yes! In her dissertation paper “Do Gestural Interfaces Promote Thinking?” published in 2011, Ayelet Segal, confirms that interactions with touch screens are effective in…