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Direct linkClements, Douglas H.; Sarama, Julie; MacDonald, Beth L. – Research in Mathematics Education, 2019
We define and describe how subitizing activity develops and relates to early quantifiers in mathematics. Subitizing is the direct perceptual apprehension and identification of the numerosity of a small group of items. Although subitizing is too often a neglected quantifier in educational practice, it has been extensively studied as a critical…
Descriptors: Numbers, Perception, Mathematics, Mathematics Instruction
Peer reviewedWheatley, Grayson, H.; Clements, Douglas H. – Arithmetic Teacher, 1990
The use of calculators in helping students to construct their own learning is discussed. Two games which illustrate this concept are presented. The features of a constructivist lesson which uses calculators are listed. (CW)
Descriptors: Calculators, Cognitive Development, Educational Games, Elementary School Mathematics
