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A Pattern in Number Theory
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Duncan, David R.; Litwiller, Bonnie H. – Mathematics Teacher, 1971
Descriptors: Instruction, Mathematics, Number Concepts, Teaching Methods
Painless Practice and Proof
Litwiller, Bonnie H.; Duncan, David R. – Mathematics Teaching, 1974
An activity which involves the drawing of geometric designs on familiar number arrangements (such as the addition and multiplication tables and the hundred chart) is used to help students discover patterns and at the same time maintain computation skills. (DT)
Descriptors: Instruction, Learning Activities, Mathematics Education, Number Concepts
A Graphical Representation of Multiples of the Whole Numbers
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Hervey, Margaret A.; Litwiller, Bonnie H. – Arithmetic Teacher, 1971
Descriptors: Elementary School Mathematics, Graphs, Instruction, Number Concepts
Mathematics in Sports: Examples for General Mathematics
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Duncan, David R.; Litwiller, Bonnie H. – Mathematics Teacher, 1973
Descriptors: Instruction, Mathematical Applications, Mathematical Enrichment, Mathematics Education
Phantom Points.
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Duncan, David R.; Litwiller, Bonnie H. – Mathematics Teacher, 1979
The simultaneous solution of equations in polar form does not always yield the points of intersection of their graphs. An explanation is given. (MP)
Descriptors: Algebra, Analytic Geometry, Graphs, Instruction
Exponential Growth and Population Prediction.
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Litwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1978
A formula for predicting population, given past data, is presented. Decade census reports for the United States are used to analyze problems that might occur in prediction. (MP)
Descriptors: Instruction, Mathematical Applications, Mathematics, Population Growth
Diagonal Sums: Practice, Discovery, and Proof
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Litwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1974
Descriptors: Addition, Elementary School Mathematics, Instruction, Mathematical Enrichment
The Two-Divisor Game
Peer reviewed Peer reviewed
Litwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1973
A recreational activity providing practice in computation is described. Examples are provided and the underlying mathematics is analyzed. (DT)
Descriptors: Elementary School Mathematics, Instruction, Mathematical Enrichment, Mathematics Education
The Three Coin Problem: Tangents, Areas, and Ratios
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Litwiller, Bonnie H.; Duncan, David R. – Mathematics Teacher, 1976
A geometric area problem is analyzed and generalized. (DT)
Descriptors: Elementary Secondary Education, Geometric Concepts, Instruction, Learning Activities
The Addition Table: Experiences in Practice-Discovery
Peer reviewed Peer reviewed
Hervey, Margaret A.; Litwiller, Bonnie H. – Arithmetic Teacher, 1972
Descriptors: Addition, Arithmetic, Discovery Learning, Elementary School Mathematics
Calculations You Would Never Make Without a Minicalculator
Peer reviewed Peer reviewed
Litwiller, Bonnie H.; Duncan, David R. – Mathematics Teacher, 1977
Ten problems involving large calculations are described for classroom use with a calculator. (JT)
Descriptors: Calculators, Computation, Instruction, Learning Activities
The Case of the Missing Digit
Peer reviewed Peer reviewed
Litwiller, Bonnie H.; Duncan, David R. – Arithmetic Teacher, 1974
Descriptors: Elementary School Mathematics, Games, Instruction, Learning Activities
Enrichment: A Method of Changing the Attitudes of Prospective Elementary Teachers Toward Mathematics
Litwiller, Bonnie H. – Sch Sci Math, 1970
Describes a study which indicates that when prospective elementary teachers studied enrichment problems in a college mathematics course for elementary teachers their attitudes toward mathematics became significantly more positive. (BR)
Descriptors: College Mathematics, Elementary School Teachers, Instruction, Mathematical Enrichment
Mathematics of Mortality
Peer reviewed Peer reviewed
Duncan, David R.; Litwiller, Bonnie H. – School Science and Mathematics, 1976
Tables of life expectancy can provide data for use in a great variety of problems related to probability theory. (SD)
Descriptors: Curriculum, Instruction, Learning Activities, Mathematical Applications
Structure: A Different Look at LCM and GCF
Peer reviewed Peer reviewed
Hervey, Margaret A.; Litwiller, Bonnie H. – School Science and Mathematics, 1970
Descriptors: Addition, Arithmetic, Elementary School Mathematics, Instruction
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