Why do circles in Geometry seem so difficult?

Circles probably seem difficult because they're difficult. The Ancient Greeks mixed lines and circles together, straightedge and compass. But if you think about it, lines are more basic than circles. Curves are hard, even the simplest ones. read more

Circles probably seem difficult because they’re difficult. The Ancient Greeks mixed lines and circles together, straightedge and compass. But if you think about it, lines are more basic than circles. Curves are hard, even the simplest ones. read more

Hint: it has to do with a "recipe" that many math lessons follow. The do's and don'ts of teaching problem solving in math Advice on how you can teach problem solving in elementary, middle, and high school math. read more