There’s only a handful of actors in “math world.” Depending on the show, they play different parts: inverses, identities, etc. Continue Reading →

There’s only a handful of actors in “math world.” Depending on the show, they play different parts: inverses, identities, etc. Continue Reading →

Many math problems boil down to being a choice between two things. Why not try them both out? Continue Reading →

Y’know those weird rules on solving inequalities? How about explaining it using a number line? Continue Reading →

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 →

What does it mean for people to be equal? And why are we using a math concept for people anyhow? Continue Reading →

Do your students struggle with setting up linear programming problems? Do you? Here’s a handy list of steps that will help. Continue Reading →

Did you know you can teach square roots with fractional exponents – and it just might work better that using radicals! Continue Reading →

The conversion from Celsius to Fahrenheit and back again can be strange. One way to understand it is on a graph. And you can use this to teach some linear algebra too! Continue Reading →

What do you think about this analogy I use when teaching square roots and other manipulations of radicals? It’s pretty non-PC, but it seems to work. Continue Reading →

Do you teach transformations? Are they tough to introduce? Try this activity! Continue Reading →