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Download full textSowder, Judith T., Ed.; Schappelle, Bonnie P., Ed. – 1989
Research on computational estimation and mental computation has received a considerable amount of attention from mathematics educators during the past decade. These proceedings resulted from a meeting to explore dimensions of number sense and its related fields. The participants came from three groups: mathematics educators actively pursuing…
Descriptors: Cognitive Processes, Cognitive Psychology, Computation, Estimation (Mathematics)
Peer reviewedLappan, Glenda, Ed. – Arithmetic Teacher, 1988
Two major ways to view the numbers to 100 are counting by ones and grouping by tens and ones. Research suggests that early understanding of numbers comes from counting and that place value instruction cannot be hurried. (PK)
Descriptors: Computation, Concept Formation, Early Childhood Education, Elementary Education
