Just an everyday conversation between variables …
Archive | Exponents
Once in a while I have to hold back my chuckles when I’m tutoring. Here’s a classic situation: a student is looking at part of a problem that has the expression: x times x. He says he thinks the answer is (in order): “2x” Then “2x squared” Then “Zero?” … and on and on. I call this the […]
Memorization gets a bad rap in upper-level secondary math courses. But memorization of certain key facts can actually help students tremendously. In this post I suggest that students memorize a certain fact set, in order that they become more proficient at a wide range of Algebra 1 and 2 skills. And I show how you […]
Adding color to help students understand algebra? Who would dream of it? But it works. See how color helps students understand a law of exponents in algebra.