Ann stated, “If you roll two dice (number cubes) and the numbers are 1 and 2, saying that 1 and 2 and 2 and 1 are different things, that is not true. It is like saying 8 + 9 and 9 + 8 have different outcomes.”
Dovie L. Kimmins, email@example.com, are colleagues at Middle Tennessee State University in Murfreesboro, Tennessee. They enjoy working with preservice and in-service mathematics teachers at all levels. Through these relationships, they have the opportunity to work with lots of K–8 students to investigate student thinking and student understanding.