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Digital learning publications October 1, 2010 Journal Article

Supporting Generative Thinking on the Integer Number Line

SRI International October 1, 2010

Citation

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Saxe, G. B., Earnest, D., Sitabkhan, Y., Haldar, L., Lewis, K., & Zheng, Y. (2010). Supporting generative thinking on the integer number line. Cognition & Instruction, 28 (4), 433-474. DOI: 10.1080/07370008.2010.511569.

Abstract

This report provides evidence of the influence of a tutorial “communication game” on fifth graders’ generative understanding of the integer number line. Students matched for classroom and pretest score were randomly assigned to a tutorial ( n = 19) and control group ( n = 19). The tutorial group students played a 13-problem game in which student and tutor each were required to mark the same position on a number line but could not see one another’s activities. To resolve discrepant solutions, tutor and student constructed agreements about number line principles and conventions to guide subsequent placements. Pre-/posttest contrasts showed that (a) tutorial students gained more than controls and (b) agreement use predicted gain. Analyses of micro-constructions during play revealed properties of student learning trajectories.

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Digital learning publications, Education & learning publications, Publication, STEM and computer science education publications Journal Article

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