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Notations, Conventions, and Constraints: Contributions to Effective Uses of Concrete Materials in Elementary Mathematics.
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Thompson, Patrick W. – Journal for Research in Mathematics Education, 1992
Fourth grade children (n=20) were matched on a pretest and randomly assigned to either a wooden base-10 block or computerized microworld group. Instruction was designed to establish relationships between notation and meaning, extending whole number numeration to decimal numeration. Neither group changed whole-number notational methods nor had…
Descriptors: Cognitive Development, Computer Assisted Instruction, Computer Uses in Education, Decimal Fractions