2020 Summer Game #12: One or Two

This week’s game is chosen in honor of Dr. Cotter’s granddaughter, AnnaRene, marrying her best friend and most amazing man, Chris, almost exactly a year ago. It was a magical day. I still choke up when I think of Chris's face when he first saw his … [Read more...]

RS2 Level F, Lesson 105

Lesson 105 in RS2 Level F is titled Dividing Fractions on a Fraction Chart. This lesson is very critical to understanding division of fractions. Yes, when dividing fractions we are generally taught to just invert and multiply. But why? Why does this … [Read more...]