Finger Counters and Dot Counters and Foot Tappers, Oh My!

By on    Good Thinking, Guest columns, Heath, Making Math Make Sense by Mathnasium, Rockwall  

(ROCKWALL, TX – May 5, 2016) Picture this scenario. A teacher asks a classroom of students: “If you spend 70 cents, 80 cents, and 90 cents, how much did you spend altogether?” The teacher is thinking, “7 + 8 + 9 = 24.  With a zero at the end, the answer would be 240 cents.” […]