PEMDAS is riddled with problems. Here’s a situation where real students were directly affected by this horrid mnemonic. Continue Reading →
Another Reason to Ban PEMDAS
Tag Archives: college algebra
Inequalities on a Number Line
Y’know those weird rules on solving inequalities? How about explaining it using a number line? Continue Reading →
A Different Way to Teach College Algebra
If your sense of number doesn’t get established, your brain can’t compress math learning. I’m thinking about using this principle to teach college algebra. What do you think? Continue Reading →