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Green, Dianne M. – Arithmetic Teacher, 1979
An activity unit is described that helps children recognize the inside and outside of closed curves. (MP)
Descriptors: Activity Units, Elementary Education, Elementary School Mathematics, Geometry
Peer reviewed Peer reviewed
Moses, Barbara – Arithmetic Teacher, 1990
Describes a unit in which students design a space station. Provided are a timetable for the unit, requirements for space-station manufacturing, and an outline of the unit. Lists nine references. (YP)
Descriptors: Activity Units, Elementary Education, Elementary School Mathematics, Geometric Constructions
Peer reviewed Peer reviewed
Walter, Marion – Arithmetic Teacher, 1980
A brief outline of instruction for one unit of informal geometry is covered. The problem solving unit described involves work with picture frames and includes many mathematical concepts. (MP)
Descriptors: Activity Units, Elementary Education, Elementary School Mathematics, Geometric Concepts