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Peer reviewedBuschman, Larry – Arithmetic Teacher, 1993
Describes an activity that demonstrates a teaching-learning model in which students ask yes or no questions to determine an unknown number on a number line. Provides a sequence of five steps to carry out the activity and suggestions for extending and expanding the activity for different grade levels. (MDH)
Descriptors: Class Activities, Discovery Processes, Discussion (Teaching Technique), Elementary Education
