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Olive, John; Steffe, Leslie P. – 1994
This computer software is a tool designed to help teachers help children in grades 1 through 7 construct their own knowledge of whole numbers and fractions. This software is the first in a series of new, dynamic computer microworlds that allow teachers to interact with students and students to interact with each other as they engage in…
Descriptors: Arithmetic, Constructivism (Learning), Courseware, Elementary Education

Biddlecomb, Barry D.; Whitmire, Bill D. – Mathematics Educator, 1992
Presents the computer microworlds developed by the Children's Construction of Rational Numbers of Arithmetic (Fractions) Project. Provides an overview of three microworlds: Toys; Sticks; and Candybars. Discusses how children are expected to use the microworlds to construct an understanding of rational numbers. (MDH)
Descriptors: Arithmetic, Computer Assisted Instruction, Computer Software Development, Computer Software Evaluation