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| Journal for Research in… | 2 |
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Peer reviewedBattista, Michael T.; Clements, Douglas H.; Arnoff, Judy; Battista, Kathryn; Van Auken Borrow, Caroline – Journal for Research in Mathematics Education, 1998
Defines spatial structuring as the mental operation of constructing an organization or form for an object/set of objects. Examines in detail students' structuring and enumeration of two-dimensional rectangular arrays of squares. Concludes that many students do not see row-by-column structure. Describes various levels of sophistication in students'…
Descriptors: Cognitive Development, Early Childhood Education, Geometry, Mathematics Education
Peer reviewedSophian, Catherine – Journal for Research in Mathematics Education, 2002
Examines preschool children's understanding of the mathematical significance of unit size through problems that involve making judgments about the number of larger objects versus the number of smaller objects. Elicits children's judgments about the effects of object size both before and after the presentation of a series of demonstration trials.…
Descriptors: Cognitive Development, Concept Formation, Early Childhood Education, Mathematics Education
