Learning mathematical problem solving is as easy as 1, 2, 3 when teachers use flexible instructional strategies.
Sharon A. Edwards, sedwards@educ.umass.edu, taught elementary school for thirty-five years, twenty-five of those at the Mark's Meadow Demonstration Laboratory School in Amherst, Massachusetts. Recently retired, she is a clinical faculty member in the School of Education at the University of Massachusetts—Amherst.