I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

In this video I work through 68 examples of factoring quadratic expressions when a is not equal to one. The first couple of ...

The vast majority of students won’t take algebra until middle or high school. But teachers can start laying the groundwork for this pivotal class a lot sooner, some researchers say—and instilling ...