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| Arithmetic Teacher | 4 |
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| Guides - General | 4 |
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Peer reviewedHoffman, Jan C. – Arithmetic Teacher, 1979
A fifth- and sixth-grade project is described that requires each student to build a bridge to specified dimensions using only specified materials. (MK)
Descriptors: Construction Costs, Construction Needs, Elementary Education, Elementary School Mathematics
Peer reviewedBradford, John W. – Arithmetic Teacher, 1980
Money models that can be used in a group-instruction mode and a shorthand notation that allows students to demonstrate their ability to count out change by a written procedure are described and discussed. (MK)
Descriptors: Educational Media, Elementary Education, Elementary School Mathematics, Mathematical Models
Peer reviewedLeutzinger, Larry P.; Nelson, Glen – Arithmetic Teacher, 1980
Ways are presented to help students develop precomputational fraction concepts and skills using a circular-region or "pie" model. (MK)
Descriptors: Concept Formation, Elementary Education, Elementary School Mathematics, Fractions
Peer reviewedLester, Frank K., Jr. – Arithmetic Teacher, 1984
It is suggested that elementary school students find rational numbers troublesome because some teachers have an inadequate understanding of rational number concepts and poor facility with rational numbers skills. How to help them overcome difficulties, develop concepts, and know what topics to emphasize are discussed. (MNS)
Descriptors: Cognitive Processes, Decimal Fractions, Elementary Education, Elementary School Mathematics
