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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
An Algorithm for Reducing Fractions
Peer reviewed Peer reviewed
Bell, Kenneth M.; Rucker, Donald D. – Arithmetic Teacher, 1974
Descriptors: Algorithms, Basic Skills, Division, 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
Sharing the Wealth: Dividing with Meaning.
Peer reviewed Peer reviewed
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
Expanded Division.
Peer reviewed Peer reviewed
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
Making Averaging Easier.
Peer reviewed Peer reviewed
Smith, Michael S. – Arithmetic Teacher, 1981
Three alternative methods of finding averages of two numbers are presented. (MP)
Descriptors: Algorithms, Arithmetic, Basic Skills, Computation
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
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
Motivational Activities in Elementary Mathematics.
Peer reviewed Peer reviewed
Schaefer, Sister M. Geralda – Arithmetic Teacher, 1981
Alternative algorithms, "tricks," and shortcuts are viewed as ideally suited for inclusion in a systematic program of practice because of their motivational effect and the mental stimulation involved in discovering why they work. (MP)
Descriptors: Algorithms, Basic Skills, Discovery Learning, Drills (Practice)
Let's Solve the Problem before We Find the Answer.
Peer reviewed Peer reviewed
Talton, Carolyn F. – Arithmetic Teacher, 1988
The author suggests that, through using the outlined question model and suggested classroom activities, elementary students will improve their abilities to analyze routine, one-step word problems and make a plan for the solution. It is further argued that the same algorithm can be applied to multistep problems by using specified questions. (PK)
Descriptors: Algorithms, Basic Skills, Computation, Concept Formation