This is a common falacy that comes from academia. If you can't divide numbers, how will you ever do algebra? Guess what? They're different skills. A person

This is a common falacy that comes from academia. If you can't divide numbers, how will you ever do algebra? Guess what? They're different skills. A person who is good at algebra, may not be good at all at division. I know a few who fall into that category. The use a calculator.