Looking for an easy way to remember the unit circle or just use it to evaluate trigonometric functions. If you are in a pinch ...

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

Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...