Classroom Management Mathematics Pictures Teaching and Learning Mathematics Arithmetic help in a 100+ year old one-room school house! What do these also make you think of? Napier�s bones? Other multiplication strategies with lines or pieces of paper? Why do some sticks appear to have random numbers from a small range of values? (V�sterbotten Museum, Umea, Sweden) Jamie PyperJuly 2, 2018September 19, 2019
