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Dunkum, William – Arithmetic Teacher, 1970
Descriptors: Instruction, Mathematical Models, Number Concepts, Secondary School Mathematics

Battista, Michael T. – Arithmetic Teacher, 1983
The "positive-negative charge" model is described and demonstrated with all four operations on integers. Its major advantages are that it is both concrete and complete. (MNS)
Descriptors: Computation, Instructional Materials, Integers, Mathematical Models

Livingstone, Isobel L. – Arithmetic Teacher, 1970
Descriptors: Activities, Arithmetic, Enrichment Activities, Fundamental Concepts

Trimble, Harold C. – Arithmetic Teacher, 1973
The concept that measures fall within intervals is discussed, and suggestions are given for teaching techniques and for student activities emphasizing this concept. (DT)
Descriptors: Elementary School Mathematics, Experiential Learning, Instruction, Mathematical Concepts

Sowder, Larry – Arithmetic Teacher, 1971
Descriptors: Elementary School Mathematics, Fractions, Instruction, Mathematical Concepts

D'Augustine, Charles H. – Arithmetic Teacher, 1969
Descriptors: Arithmetic, Elementary School Mathematics, Instruction, Mathematical Models

Sowder, Larry – Arithmetic Teacher, 1976
This article suggests some criteria to consider when using a concrete representation to support the treatment of a mathematical concept or sentence. (DT)
Descriptors: Elementary Education, Elementary School Mathematics, Instruction, Instructional Materials

Zytkowski, Richard Thomas – Arithmetic Teacher, 1970
Descriptors: Activities, Arithmetic, Enrichment Activities, Fractions

Junge, Charlotte W. – Arithmetic Teacher, 1972
Permanent models of soap bubble configuration can be made by using a new plastic art medium. (MM)
Descriptors: Elementary School Mathematics, Instructional Materials, Laboratories, Mathematical Models

Brumfiel, Charles – Arithmetic Teacher, 1970
Descriptors: Elementary School Mathematics, Fractions, Instruction, Mathematical Applications

Cotter, Stanley – Arithmetic Teacher, 1969
Descriptors: Addition, Instruction, Mathematical Models, Mathematics

Cohen, Louis S. – Arithmetic Teacher, 1973
Descriptors: Elementary School Mathematics, Fractions, Instruction, Mathematical Models

Green, George F., Jr. – Arithmetic Teacher, 1973
Descriptors: Diagrams, Elementary School Mathematics, Fractions, Geometric Concepts

Werner, Sister Marijane – Arithmetic Teacher, 1973
Descriptors: Diagrams, Elementary School Mathematics, Instruction, Integers

Brumfiel, Charles – Arithmetic Teacher, 1971
Before judging a student's diagram correct or incorrect, the mental associations made by the student between his diagram and the problem should be known. This is a follow-up to the author's article in the November 1970, Arithmetic Teacher." (RS)
Descriptors: Association (Psychology), Diagrams, Elementary School Mathematics, Instruction