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Square Roots.
Peer reviewed Peer reviewed
Edge, John – Mathematics in School, 1979
Two algorithms are developed for finding the square roots of numbers. One is based on the rule that x square is the sum of the first x odd numbers; the other is algebraic. (MP)
Descriptors: Algorithms, Instruction, Learning Activities, Mathematics
Efficient Algorithms for the Calculator.
Peer reviewed Peer reviewed
Friedlander, Richard J. – Mathematics Teacher, 1978
Shortcuts to use when performing operations with the calculator are given. Algorithms discussed include reciprocals, powers, parentheses, infinite series, and synthetic division. (MP)
Descriptors: Algorithms, Calculators, Computation, Educational Media
Accuracy Plus: Multiprecision Multiplication.
Barnett, Bruce – Creative Computing, 1979
A computer program in BASIC is presented, with the underlying algorithm explained, for multiplying any two multi-digit numbers and obtaining an exact answer. (MP)
Descriptors: Algorithms, Computer Programs, Computers, Instruction
Some Monadic/Diadic Combos. Project Paper 77-6.
Weaver, J. F. – 1977
The calculator is used to explore the distributive property of a unary operator over a binary operator. This is an extension of an earlier paper. The emphasis is on student discovery of the property for various combinations of the operators. Instructional material contained in the report include a reference sheet of questions for potential…
Descriptors: Algorithms, Calculators, Computation, Discovery Learning
Using Flowcharts with First Graders
Peer reviewed Peer reviewed
Hubbard, Sherry P.; Ashlock, Robert B. – Arithmetic Teacher, 1977
Symbols and shapes used in flowcharting are defined, reasons for incorporating flowcharts into instructional activities are listed, and eight different flowcharts are presented. (DT)
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Flow Charts
Generally, How Do You Solve Equations?
Peer reviewed Peer reviewed
Snover, Stephen L.; Spikell, Mark A. – Mathematics Teacher, 1979
Solutions to difficult equations are illustrated with numerical techniques that can be used easily on calculators. Flowcharts and programs for computers and calculators are included. (MP)
Descriptors: Algorithms, Calculators, Computation, Computer Programs
Calculators and Unary Operations: A Position Paper with Instructional Suggestions. Project Paper 77-7.
Weaver, J. F. – 1977
Investigating properties and characteristics of unary operations is shown to be facilitated by using calculators. Several avenues for instructional exploration are suggested and examples given. These include questions relating to relations, inverses, commutativity, distributivity, and iterations. A discussion of the calculator algorithm for…
Descriptors: Algorithms, Calculators, Computation, Discovery Learning
The Old and the New: An Ancient Egyptian Algorithm and the Computer
Peer reviewed Peer reviewed
Waters, William M., Jr.; Blakeway, Edward G. – School Science and Mathematics, 1976
A program in BASIC which decomposes fractions is provided. Activities related to student use of the program are listed. (SD)
Descriptors: Algorithms, Computer Programs, Computers, Fractions
Sharing Teaching Ideas.
Peer reviewed Peer reviewed
Mathematics Teacher, 1979
Topics covered include alternate methods for finding LCM and GCF, imaginative word problems, and a primes-breakdown method of factoring quadratics. (MP)
Descriptors: Algebra, Algorithms, Instruction, Learning Activities
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
Math Lab Activity.
Peer reviewed Peer reviewed
Brumbaugh, Douglas K., Ed.; Hynes, Michael C., Ed. – School Science and Mathematics, 1979
A classroom photography activity is outlined that motivates learning of mathematical topics such as estimation, geometry, ratio, measurement, and algorithms. (MP)
Descriptors: Algorithms, Geometric Concepts, Instruction, Laboratories
How to Use, Not Abuse, Those Practice Exercises.
Peer reviewed Peer reviewed
McKillip, William D.; Aviv, Cherie Adler – Arithmetic Teacher, 1979
An approach is suggested to the use of sets of practice exercises that is more like the actual use of computation by adults and may be more effective in attaining accuracy and speed. (MP)
Descriptors: Algorithms, Computation, Elementary Education, Elementary School Mathematics
A Discovery Approach to the Cube Root Algorithm
Peer reviewed Peer reviewed
Bolduc, Elroy J., Jr. – Mathematics Teacher, 1976
The algorithms for finding cube roots is approached by slicing a cube. (SD)
Descriptors: Algorithms, Discovery Learning, Geometric Concepts, Instruction
Using Materials and Activities in Teaching Addition and Subtraction Algorithms
Merseth, Katherine Klippert – NCTM Yearbook, 1978
Helping teachers to build a strong bridge from concrete experiences to algorithms is the focus. A detailed sequence of activities is described. (MN)
Descriptors: Addition, Algorithms, Computation, Elementary Education
Teaching Multiplication and Division Algorithms
Hazekamp, Donald W. – NCTM Yearbook, 1978
Instructional sequences are presented for teaching two-digit multiplication and division with one- and two-digit divisors using a base-oriented approach. (MN)
Descriptors: Algorithms, Computation, Division, Elementary Education
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