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Widjaja, Wanty; Stacey, Kaye; Steinle, Vicki – Journal of Mathematical Behavior, 2011
This paper explores misconceptions of the number line which are revealed when pre-service primary teachers locate negative decimals on a number line. Written test responses from 94 pre-service primary teachers provide an initial data source which is supplemented by group responses to worksheets completed during a lesson and individual interviews.…
Descriptors: Intervals, Number Concepts, Misconceptions, Mathematical Concepts