We received a request to unblock a web site yesterday. The justification went something like this: I received an email message containing some inappropriate content. The message said that I had signed up to receive this content, but this must be a mistake. I tried to unsubscribe, but when I clicked the link, the site was blocked. Please unblock the site so I can unsubscribe … Continue reading Don't Click That Link

“When I finally write my textbook, this is how I’m going to explain systems of linear equations.” Mr. DeLorenzo was always deviating from the textbook in our Algebra II class. “Forget what the book says, and listen to this.” He had a plan for just about every topic. Having taught Algebra for more than twenty years, he knew how to a explain it in a … Continue reading New Textbooks