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Bates, Tom; Rousseau, Leo – Arithmetic Teacher, 1986
The mathematics associated with division is discussed, working from a theorem for the real division algorithm. Real-world, geometric, and algebraic approaches are discussed, as are related topics. (MNS)
Descriptors: Algorithms, Computation, Division, Elementary Education
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Ettline, J. Fred – Arithmetic Teacher, 1985
Two difficulties that students have in computing with fractions are idenfitied. Then a procedure is described, stressing the identity element, that resolves these difficulties and increases students' understanding and retention. (MNS)
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Fractions
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Pearson, Eleanor S. – Arithmetic Teacher, 1986
Computational algorithms from American textbooks copyrighted prior to 1900 are presented--some that convey the concept, some just for special cases, and some just for fun. Algorithms for each operation with whole numbers are presented and analyzed. (MNS)
Descriptors: Algorithms, Computation, Division, Elementary Education
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Hall, William D. – Arithmetic Teacher, 1983
A strategy to make the transition from manipulative materials to a written algorithm for division is outlined in dialogue form. (MNS)
Descriptors: Algorithms, Computation, Division, Elementary Education
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Ewbank, William A.; Ginther, John L. – Arithmetic Teacher, 1984
A collection of games and puzzles that teachers can use to replace or supplement the usual textbook subtraction examples involving large numbers is given. Most of the nine activities are self-checking. (MNS)
Descriptors: Algorithms, Computation, Drills (Practice), Educational Games
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Beede, Rudy B. – Arithmetic Teacher, 1985
Renaming fractions with the dot method is described with illustrations. It can be used to introduce renaming at the manipulative level in a meaningful way prior to moving to a more abstract level where prime factorization will be involved. (MNS)
Descriptors: Algorithms, Elementary School Mathematics, Elementary Secondary Education, Fractions
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Richbart, Lynn A. – Arithmetic Teacher, 1985
Two worksheets are given, outlining algorithms to help students determine the day of the week an event will occur and to find the date for Easter. The activity provides computational practice. A computer program for determining Easter is also included. (MNS)
Descriptors: Algorithms, Computation, Computer Software, Drills (Practice)
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Peterson, Wayne – Arithmetic Teacher, 1982
A model of the division algorithm is described which relates step-by-step to the standard algorithm. Use of the model in instruction requires the distribution of a special worksheet. The focus of the instruction is on students sharing some amount of money equally among several friends. (MP)
Descriptors: Algorithms, Basic Skills, Division, Elementary Education
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Patrick, Sarah E. – Arithmetic Teacher, 1982
Typical instruction of the division algorithm fails to justify why one brings down a number during the process. The construction and use of an aid is described which can be used to help explain the process of division to students. The aid emphasizes place-value aspects. (MP)
Descriptors: Algorithms, Basic Skills, Computation, Division
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Smith, Michael S. – Arithmetic Teacher, 1981
Three alternative methods of finding averages of two numbers are presented. (MP)
Descriptors: Algorithms, Arithmetic, Basic Skills, Computation
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Musser, Gary L. – Arithmetic Teacher, 1982
Two mental algorithms, one for addition and one for subtraction, are described. It is felt such algorithms should be taught explicitly. The usual process taught for paper and pencil is seen to inhibit mental arithmetic, and a need to include mental algorithms in the regular mathematics curriculum is promoted. (MP)
Descriptors: Addition, Algorithms, Computation, Elementary Education
Peer reviewed Peer reviewed
Spitler, Gail – Arithmetic Teacher, 1981
An approach to teaching pupils the long division algorithm that relies heavily on a consistent and logical approach to estimation is reviewed. Once learned, the division estimator can be used to support the standard repeated subtraction algorithm. (MP)
Descriptors: Algorithms, Division, Drills (Practice), Elementary Education
Peer reviewed Peer reviewed
Stanic, George M. A.; McKillip, William D. – Arithmetic Teacher, 1989
The use of developmental algorithms to develop skills is described. Children make the transition from using concrete materials to using a standard algorithm. (MNS)
Descriptors: Algorithms, Computation, Concept Formation, Elementary Education
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Andersen, Lyle E.; And Others – Arithmetic Teacher, 1988
Ways to combine the strengths of teacher and computer are suggested. Multiplication concepts and an algorithm for multiplication are taught in the same lessons. The computer is used as an electronic chalkboard to teach at a semiconcrete level. The computer program is included. (MNS)
Descriptors: Algorithms, Computer Software, Elementary Education, Elementary School Mathematics
Peer reviewed Peer reviewed
Broadbent, Frank W. – Arithmetic Teacher, 1987
A modern adaptation of the historic lattice algorithm which can be used for multiplication and division is discussed. How it works is clearly illustrated. (MNS)
Descriptors: Algorithms, Division, Elementary Education, Elementary School Mathematics
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