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Ross, Sharon H. – Focus on Learning Problems in Mathematics, 1990
The 5-stage model of Ross was used to examine the role of instruction in facilitating children's acquisition of place value knowledge. Compares children from 2 samples on 10 tasks designed to reveal their thinking about place value. Discusses implications for theory and classroom. (YP)
Descriptors: Arithmetic, Elementary Education, Elementary School Mathematics, Mathematical Concepts
Harris, Mary Jo; VanDevender, Evelyn M. – Focus on Learning Problems in Mathematics, 1990
Identifies four causes of confusion in reading mathematics related to numbers, symbols and sentences, vocabulary, and directionality. Discusses techniques for overcoming each type of the confusion. (YP)
Descriptors: Arithmetic, Computation, Elementary Education, Elementary School Mathematics