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Peer reviewedKrainer, Konrad – Educational Studies in Mathematics, 1993
Develops properties of tasks that are pedagogically efficient and allow students to discover mathematical concepts for themselves. Illustrates the structure and philosophy of powerful tasks for the concept of angle. Presents seven examples of powerful tasks, including two involving two-dimensional graphic systems. (Contains 39 references.)…
Descriptors: Computer Assisted Instruction, Constructivism (Learning), Educational Objectives, Educational Principles
Peer reviewedSteffe, Leslie P.; Wiegel, Heide G. – Educational Studies in Mathematics, 1994
Describes studies of children involved in cognitive play activities using discrete and continuous computer microworlds and their transformation of these activities into independent mathematical activity. (Contains 22 references.) (MKR)
Descriptors: Cognitive Processes, Computer Assisted Instruction, Constructivism (Learning), Elementary Education


