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Cullen, Amanda; Eames, Cheryl L.; Cullen, Craig J.; Barrett, Jeffrey E.; Sarama, Julie; Clements, Douglas H.; Van Dine, Douglas W. – Journal for Research in Mathematics Education, 2018
We examine the effects of 3 interventions designed to support Grades 2-5 children's growth in measuring rectangular regions in different ways. We employed the microgenetic method to observe and describe conceptual transitions and investigate how they may have been prompted by the interventions. We compared the interventions with respect to…
Descriptors: Elementary School Students, Grade 2, Grade 3, Grade 4