Answering to Sir What is x
November 11, 2010 11:16 AM Subscribe
But Sir, what is x? Teaching students algebra for the first time. They keep wanting to put values in for x, and write that down.
E.g. x + x = . Becomes 1 + 1 = 2, in their books. Whereas I want x + x = 2x.
Does anyone have any strategies, or techniques to overcome this?
My understanding of algebra came years later around 16-17, due to properly understanding Sets. Unfortunately, the students don't have any sort of Set knowledge, neither do I have the time to teach it them.