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A Method of Subtraction
Peer reviewed Peer reviewed
Schwartzman, Steven – Arithmetic Teacher, 1975
A subtraction algorithm for numbers having several digits is described. The algorithm requires that, for digits in the same place, the smaller is always subtracted from the larger. (SD)
Descriptors: Algorithms, Basic Skills, Elementary Education, Elementary School Mathematics
A New Multiplication Algorithm: On the Complexity of Simplicity
Peer reviewed Peer reviewed
Brown, Stephen I. – Arithmetic Teacher, 1975
A multiplication algorithm based on a perfect square is described. (SD)
Descriptors: Algorithms, Basic Skills, Curriculum, Discovery Learning
Creating Algorithms for Multiplication
Cohen, Don – Mathematics Teaching, 1976
Upper elementary school students created their own algorithms for finding products of whole numbers. The algorithms were similar to familiar ones for finding products involving 9 and 11. (SD)
Descriptors: Algorithms, Basic Skills, Elementary Education, Elementary School Mathematics
Diagnosing Computational Difficulty in the Classroom
Inskeep, James E., Jr. – NCTM Yearbook, 1978
How teachers can diagnose difficulties with computation is discussed, with emphasis on how to develop diagnostic tests. How to use such tests to plan remediation is considered in terms of several types of errors. (MN)
Descriptors: Algorithms, Basic Skills, Computation, Diagnostic Tests
Low-Stress Algorithms
Peer reviewed Peer reviewed
Hutchings, Barton – National Council of Teachers of Mathematics Yearbook, 1976
Algorithms for the four basic operations on whole numbers are described; these algorithms provide for sequential recording of all steps in the operations. (SD)
Descriptors: Algorithms, Basic Skills, Curriculum, Elementary Education
A Diary of Remedial Instruction in Division--Grade Seven
Peer reviewed Peer reviewed
Swart, William L. – Arithmetic Teacher, 1975
Students who were unsuccessful in performing long division were taught to use a successive subtractions algorithm. (SD)
Descriptors: Algorithms, Basic Skills, Division, Elementary School Mathematics
Problems in Teaching Form 1 Mathematics
Peer reviewed Peer reviewed
Rochester, J. F. – Australian Mathematics Teacher, 1975
The author argues that secondary-school teachers need to be more aware of the content of primary level mathematics work. Citing an algorithm, he discusses the issue of basic skills in relation to the increasing use of calculators. (SD)
Descriptors: Algorithms, Basic Skills, Curriculum, Elementary School Mathematics
Notes from National Assessment: Processes Used on Computational Exercises
Peer reviewed Peer reviewed
Carpenter, Thomas P.; And Others – Arithmetic Teacher, 1976
Various algorithms used in addition, subtraction, and division problems were identified. The percentages of people in the National Assessment survey populations using each method are reported, as are the percentages of those using the most popular methods who answered correctly. Implications for instruction are discussed. (SD) Aspect of National…
Descriptors: Algorithms, Basic Skills, Elementary School Mathematics, Elementary Secondary Education
Dawn's Transformations With Numbers
Cohen, Donald – Mathematics Teaching, 1976
The observations of a fifth-grade student concerning number patterns are recorded and discussed. (SD)
Descriptors: Algorithms, Basic Skills, Elementary Education, Elementary School Mathematics
Classroom Ideas from Research on Computational Skills.
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