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| Duncan, David R. | 4 |
| Litwiller, Bonnie H. | 4 |
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| Guides - Classroom - Teacher | 2 |
| Journal Articles | 2 |
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| Practitioners | 2 |
| Teachers | 1 |
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Peer reviewedDuncan, David R.; Litwiller, Bonnie H. – Mathematics Teacher, 1985
Four answers to a probability problem involving a perceived coincidence are discussed. (MNS)
Descriptors: Diagrams, Learning Activities, Mathematics, Mathematics Instruction
Peer reviewedDuncan, David R.; Litwiller, Bonnie H. – School Science and Mathematics, 1978
Sequences resulting from variations of the conditions of the original Fibonacci problem are investigated. (MN)
Descriptors: Instructional Materials, Mathematical Applications, Mathematics Education, Pattern Recognition
Peer reviewedDuncan, David R.; Litwiller, Bonnie H. – Mathematics Teacher, 1976
Patterns emerging when two-digit numbers in various bases are operated on by squaring and summing the digits. (SD)
Descriptors: Instruction, Learning Activities, Mathematics, Mathematics Education
Peer reviewedLitwiller, Bonnie H.; Duncan, David R. – Mathematics in School, 1997
Describes an activity that utilizes four pattern blocks to help students understand and explain perimeter. Engages students in making and supporting conjectures about a scenario that involves trains composed of various shapes with different perimeters. (DDR)
Descriptors: Educational Strategies, Enrichment Activities, Geometry, Learning Activities
