Questioning, Not Answering

Another Rant on “Mathematical” Puzzles

Mathematics and Trauma

I teach two sections of Honors Algebra II and two sections of Algebra II. Today, I introduced the concept of finding…

Marty’s Viral Pizza Load

This is making its internet rounds again:

Reframing the Quadratic Formula

When I was in school, I was taught the Quadratic Formula. I was taught that it was the most efficient…

Adding Fractions: The Common Error

This is one of the most common mistakes students make when adding fractions:

Keeping, Changing, Flipping

Consider the following task:

Seriously, It’s Just Division

Don’t get caught up on the concept of “fractions”.

Functions and Domains: The Other Shoe

I have taught high school mathematics for nearly a decade. I have a BS in Mathematics. The…

Operations on Fractions

A tale of carts and horses

Math Education and One True Wayism

This is a common criticism of Common Core (CCSS): It offers these strange new methods that students…