Nov 1, 2012

Do we know what is Mathematical Method?


Rewritten by Marsigit

Katagiri, S. (2004) indicates that question must be created so that problem solving process elicits mathematical thinking and method. He lists of question analyses designed to cultivate mathematical method are as follows:
a. Problem Formation and Comprehension
1)What is the same? What is shared? (Abstraction)
2)Clarify the meaning of the words and use them by oneself. (Abstraction)
3)What (conditions) are important? (Abstraction)
4)What types of situations are being considered? What types of situations are being proposed? (Idealization)
5)Use figures (numbers) for expression. (Diagramming, quantification)
6)Replace numbers with simpler numbers. (Simplification)
7)Simplify the conditions. (Simplification)
8)Give an example. (Concretization)

b. Establishing a Perspective
1)Is it possible to do this in the same way as something already known? (Analogy)
2)Will this turn out the same thing as something already known? (Analogy)
3)Consider special cases. (Specialization)

c. Executing Solutions
1)What kinds of rules seem to be involved? Try collecting data. (Induction)
2)Think based on what is known (what will be known). (Deduction)
3)What must be known before this can be said? (Deduction)
4)Consider a simple situation (using simple numbers or figures). (Simplification)
5)Hold the conditions constant. Consider the case with special conditions. (Specialization)
6)Can this be expressed as a figure? (Diagramming)
7)Can this be expressed with numbers? (Quantification)

d. Logical Organization
1)Why is this (always) correct? (Logical)
2)Can this be said more accurately? (Accuracy)

Reference:
Shikgeo Katagiri (2004)., Mathematical Thinking and How to Teach It. in Progress report of the APEC project: “Colaborative Studies on Innovations for Teaching and Learning Mathematics in Diferent Cultures (II) – Lesson Study focusing on Mathematical Thinking -”, Tokyo: CRICED, University of Tsukuba.

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