I told my spouse the other day that I was convinced that many of my chemistry students did not understand what the equals sign meant and therefore they couldn't handle equations. It was just a hunch, but maybe I wasn't crazy. When they rearrange an equation they tend to just move letters around.I'm curious about this -- what happens in a chemistry class when students don't understand the equal sign?
I don't know how we could screw up teaching this stuff.
Tuesday, May 10, 2011
Parker on the equal sign
On the subject of American students not knowing what the equal sign signifies, Parker writes: