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Peer reviewedGill, Alice J.; Thompson, Arlene – Journal of Mathematical Behavior, 1995
Illustrates the multiple strategies used by second graders to solve a problem with three addends and how their teacher tries to map their thinking into the system of mathematical notation. Describes the American Federation of Teachers' Thinking Mathematics program that the teacher uses. (MKR)
Descriptors: Addition, Arithmetic, Cognitive Mapping, Cognitive Processes
