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Quantum

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Dubrovsky, Vladimir	1
Kreith, Kurt	1

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Guides - Classroom - Learner	2
Journal Articles	2

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Summertime, and the Choosin' Ain't Easy: An Ice Cream Counting Problem.

Peer reviewed

Kreith, Kurt – Quantum, 1992

Utilizes the problem of determining the number of different ice cream cones and cups that can be made from a choice of 31 flavors to investigate the concepts of combinations and permutations. Provides a set of six related problems with their answers. (MDH)

Descriptors: Computation, Enrichment Activities, Learning Activities, Mathematical Applications

Inversion: A Most Useful Kind of Transformation.

Peer reviewed

Dubrovsky, Vladimir – Quantum, 1992

The transformation assigning to every point its inverse with respect to a circle with given radius and center is called an inversion. Discusses inversion with respect to points, circles, angles, distances, space, and the parallel postulate. Exercises related to these topics are included. (MDH)

Descriptors: Enrichment Activities, Geometric Concepts, Geometric Constructions, High Schools