Crowley, Mary L. “The van Hiele Model of the Development ...
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Copyright© 1987 by the National Council of Teachers of Mathematics, Inc. www .nctm.or g . All rights reserved. For personal use only. This material may not be copied or distributed electronically or in other formats without written permission from NCTM. Crowley, Mary L. “The van Hiele Model of the Development of Geometric Thought.” In Learning and Teaching Geometry, K–12, 1987 Yearbook of the National Council of Teachers of Mathematics, edited by Mary Montgomery Lindquist, pp.1–16. Reston, Va.: National Council of Teachers of Mathematics, 1987.
Transcript of Crowley, Mary L. “The van Hiele Model of the Development ...
Copyright © 1987 by the National Council of Teachers of Mathematics, Inc. www.nctm.org.All rights reserved. For personal use only. This material may not be copied or distributedelectronically or in other formats without written permission from NCTM.
Crowley, Mary L. “The van Hiele Model of the Development of Geometric Thought.” In Learning and Teaching Geometry, K–12, 1987 Yearbook of the National Council of Teachers of Mathematics, edited by Mary Montgomery Lindquist, pp.1–16. Reston, Va.: National Council of Teachers of Mathematics, 1987.
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