Math in a box

Happy Summer everyone.  Hadn’t expected to blog much this summer as I’m vigorously preparing for my new teaching assignment.  However, something  “mathy” showed up  and I was asked to review it. Sumboxes is a new subscription company that comes to your door step.  It’s essentially math-in-a-box.   In all my years of teaching, I haven’t seen “teacher” boxes, let alone …