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Lichtenberg, Betty Plunkett – Arithmetic Teacher, 1972
Descriptors: Elementary School Mathematics, Instruction, Mathematics, Number Concepts

Berlinghoff, William P. – Mathematics Teacher, 1973
Descriptors: Instruction, Mathematics, Mathematics Education, Number Concepts

Vaughan, Herbert E. – Mathematics Teacher, 1970
Descriptors: Instruction, Mathematical Concepts, Mathematics, Number Concepts

Smart, James R. – School Science and Mathematics, 1974
A short story is presented which uses as its characters rational and irrational numbers and numbers involving fractional exponents. (DT)
Descriptors: Instruction, Mathematics Education, Number Concepts, Numbers

Deakin, Michael A. B. – International Journal of Mathematical Education in Science and Technology, 1974
Euler's famous formula, e to the (i, pi) power equals -1, is developed by a purely algebraic method that avoids the use of both trigonometry and calculus. A heuristic outline is given followed by the rigorous theory. Pedagogical considerations for classroom presentation are suggested. (LS)
Descriptors: Algebra, College Mathematics, Instruction, Mathematics Education
Little, John – Mathematics Teaching, 1973
Descriptors: Elementary School Mathematics, Instruction, Mathematics Education, Number Concepts

Morgenstern, Frances B.; Pincus, Morris – Arithmetic Teacher, 1972
Descriptors: Elementary School Mathematics, Instruction, Mathematical Vocabulary, Number Concepts
Edwards, Cyril – Mathematics Teaching, 1971
Operations with zero and concepts associated with the use of zero are examined in some detail. Historical practices concerning zero are discussed. (CT)
Descriptors: Arithmetic, Instruction, Mathematical Concepts, Mathematics

Schloff, Charles E. – Arithmetic Teacher, 1970
Descriptors: Elementary School Mathematics, Geometric Concepts, Instruction, Number Concepts

Kenney, Margaret J. – Mathematics Teacher, 1970
Descriptors: Algebra, Arithmetic, Division, Instruction

Neuner, Albert R. – Arithmetic Teacher, 1973
A method of using a modified number line to illustrate concepts of addition, subtraction, multiplication, and division in a modular system is presented. (DT)
Descriptors: Elementary School Mathematics, Instruction, Mathematics, Mathematics Education

Niman, John – Arithmetic Teacher, 1971
Descriptors: Arithmetic, Educational Games, Elementary School Mathematics, Instruction
Willson, William Wynne – Mathematical Gazette, 1970
Descriptors: Algebra, College Mathematics, Instruction, Mathematics

Schafer, Dorothy R. – Arithmetic Teacher, 1970
Descriptors: Algebra, Charts, Discovery Processes, Elementary School Mathematics

Sowder, Larry – Arithmetic Teacher, 1972
Descriptors: Definitions, Instruction, Logic, Mathematics Education