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Rules of Thumb
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Holmes, P. – Mathematics in School, 1973
Four algorithms for subtraction are described: borrow and pay back,'' equal additiions, shopkeepers' subtraction,'' and decomposition. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematics Education
Developing the Subtraction Algorithm
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Cleminson, Robert A. – Arithmetic Teacher, 1973
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematics Education
Addition through Palindromes.
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Nichol, Margaret – Arithmetic Teacher, 1978
Reviewing addition through the use of palindromes is discussed. A rule for converting any number into a palindrome is presented. (MP)
Descriptors: Addition, Algorithms, Elementary Education, Elementary School Mathematics
Method or Justification?
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Quast, W. G. – Arithmetic Teacher, 1972
A distinction is made between an algorithm and the justification for the algorithm. Examples of both are given for the operations with whole numbers. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematics Education
Low-Stress Subtraction
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Hutchings, Barton – Arithmetic Teacher, 1975
A new subtraction algorithm is described and illustrated. Research by the author has shown the method to be easier for low achievers, as well as useful as enrichment for average students. (SD)
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Enrichment
A Seven-Year-Old's Subtraction Technique.
Davies, H. B. – Mathematics Teaching, 1978
Described is a case in which a young student stumbles upon the "integer" technique for subtraction which differs from the techniques of decomposition and equal addition. (MN)
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Instruction
The Division Algorithm
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Tucker, Benny F. – Arithmetic Teacher, 1973
Descriptors: Algorithms, Decimal Fractions, Division, Elementary School Mathematics
Programming the Human Computer
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Smith, Cedric A. B. – Mathematics in School, 1972
In this first of two articles, computational algorithms for multiplication and division which encourage use of one operation at a time are proposed. (DT)
Descriptors: Algorithms, Computation, Division, Elementary School Mathematics
The Russian-Peasant Algorithm: Rediscovery and Extension
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Boykin, Wilfred E. – Arithmetic Teacher, 1973
The Russian-peasant algorithm for multiplication is described and then extended to developing an algorithm for renaming base ten numbers in other number bases. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematical Enrichment
The Fourth Operation is not Fundamental
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Zweng, Marilyn J. – Arithmetic Teacher, 1972
The role of division of whole numbers in problem solving and the implications for teaching division computation are examined. Deleting the teaching of division facts, and obtaining solutions by using multiplication facts, is advocated. (DT)
Descriptors: Algorithms, Division, Elementary School Mathematics, Instruction
Activities with Whole Numbers, Mathematics (Experimental): 5212.73.
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Dade County Public Schools, Miami, FL. – 1971
Designed for the student who has acquired basic computational skills with non-negative rational numbers, this guidebook delineates minimum course content to further develop students' computational skills with whole numbers. Place value and estimation are also covered. General goals, performance objectives, a course outline, suggested teaching…
Descriptors: Algorithms, Behavioral Objectives, Computation, Curriculum
What can a Teacher Learn About a Pupil's Thinking Through Oral Interviews?
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Lankford, Francis G., Jr. – Arithmetic Teacher, 1974
Descriptors: Algorithms, Computation, Elementary School Mathematics, Fractions
Mathematics Learning in Early Childhood: Operations on Whole Numbers
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Folsom, Mary – National Council of Teachers of Mathematics Yearbook, 1975
Instruction on properties of whole numbers, the meanings of operations on whole numbers, symbolic representation and algorithms for completing these operations is discussed. Many activities appropriate to each of these topics, and suitable for primary school children, are presented. (SD)
Descriptors: Algorithms, Curriculum, Elementary Education, Elementary School Mathematics
Low-Stress Algorithms
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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
Four Times Seven is Three Bunches and Four Fingers
Kent, David – Mathematics Teaching, 1976
A method is described for working multiplication problems by counting on fingers. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Elementary Secondary Education, Experiential Learning
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