Scary: Only 57% of college freshman could solve the simple division problem above (231 / 7 = 33) without a calculator (using old-fashioned long division) based on a math assessment test given by Professor Cliff Mass in his Atmospheric Sciences 101 class at the University of Washington. Here’s a hint why – according to a math teacher quoted in the NY Times, “We don’t teach long division…. it stifles students’ creativity.”And today I'm told that students have to be able to write about math or else they don't understand it, or they need to explain how and why something is true or else they don't have a deep understanding of it (a la Common Core). My reply is always the same: "Can you do long division? (I assume that every adult can.) Explain to me why the algorithm works." Yet we can all do long division till the cows come home....
Monday, October 28, 2013
When We Shoot Ourselves In The Foot
Only educators could say something so stupid with a straight face because they want to believe it: