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Download full textWiles, Clyde A.; And Others – 1972
Two sequences of activities were developed to provide instruction on the algorithms for addition and subtraction of two-digit numbers. In the integrated sequence (I) the mechanics of "carrying" and "borrowing" were treated as a single process "regrouping." In the sequential treatment (S) the addition algorithm was developed before the subtraction…
Descriptors: Addition, Algorithms, Arithmetic, Curriculum
Wiles, Clyde A.; And Others – 1972
Two sequences of activities were developed to provide instruction on the algorithms for addition and subtraction of two-digit numbers. In the integrated sequence (I) the mechanics of "carrying" and "borrowing" were treated as a single process "regrouping." In the sequential treatment (S) the addition algorithm was developed before the subtraction…
Descriptors: Addition, Algorithms, Arithmetic, Curriculum
Peer reviewedArnold, William R. – Arithmetic Teacher, 1971
Descriptors: Algorithms, Arithmetic, Enrichment, Instruction
Peer reviewedPagni, David L. – Arithmetic Teacher, 1971
Descriptors: Algorithms, Arithmetic, Computer Oriented Programs, Elementary School Mathematics
Peer reviewedAlbany, Eric – Mathematics in School, 1972
A discussion of the various algorithms used for multiplication. Repeated addition, arrays, the distributive law, Egyptian and Russian Peasant Multiplication, Gelosia, Napier's Rods and Genaille's Rods are all described, and examples of multiplying using each method are explained. (DT)
Descriptors: Algorithms, Arithmetic, Elementary School Mathematics, History
Peer reviewedHenry, Boyd – Arithmetic Teacher, 1971
Descriptors: Algorithms, Arithmetic, Decimal Fractions, Elementary School Mathematics
Victoria Education Dept. (Australia). – 1965
This guide continues instruction of the three guides in SE 012 723 and of the two guides included in SE 012 724. Counting skills, appreciation of pattern and order, and understanding of place value are extended to numbers up to one million, and the associative, commutative and distributive laws are made explicit. Manipulation of equations is…
Descriptors: Algorithms, Arithmetic, Curriculum, Curriculum Guides
Peer reviewedIbrahim, Aziz; Gucker, Edward – Mathematics Teacher, 1972
Descriptors: Algebra, Algorithms, Arithmetic, Computers
Peer reviewedHamilton, E. W. – Arithmetic Teacher, 1971
Descriptors: Algorithms, Arithmetic, Elementary School Mathematics, Instruction
Suydam, Marilyn N.; Dessart, Donald J. – 1976
This booklet was written to provide elementary-school teachers with an overview of some of the research results related to the development of computational skills, together with ideas for classroom activities which have grown out of research projects. The booklet is organized into twelve sections, the first of which is devoted to delineating the…
Descriptors: Algorithms, Arithmetic, Basic Skills, Computation
