| Creation and invention are the base of human ' s advancement, The training of creative thinking is the focus of current education.This training in maths teaching is multiple. The theories about how to train the pupils' thinking in calculation teaching are spreading by quick calculation just begins, and the education workers pay less attention to it. In this article, the author will discuss the training methods of thinking smartness and feasibility by quick calculation in primary calculation teaching, This is based on the author's research of years teaching. It is well known that quick calculation means calculate quickly. It uses the particular relation between numbers and the numerial regulation and quality in calculation, then takes suitable methods to calculate quickly. The smartness is the degree of accuracy and quickness in thinking, and the feasibility , the degree of intellegent. The smartness embodies the degree of accuracy and quickness in primary calcalation teaching; the feasibility, the abilities of solutions to one question, changabilities of one pattern, and the level of assembly and division. Therefore, in this experiment, Class one and two, Grade three, in Hushan Primary School of Jining are experimented . The main clue in this experiment is the multiplication and division between 2 digit numbers in the second term. At the same time, the thought and method of quick calculation are applied. The smartness andfeasibility in the experimental classes and controling. classes are observed. And then the author made quality and quatity analysis, about the result. It showed that quick calculation is good to the training of thinking smartness and feasibility. It also can improve studying performance and potential studying ability. So I sugguest that we should add content of quick calculation to all grades in primary calculation teaching. This makes teaching and improving ability develop simotanously, and makes primary maths teaching onto a new stage.
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