종이접기를 통한 이차방정식 지도에 관한 연구
Study on guidance of a quadratic equation with paper work
종이접기 이차방정식 수업 지도;
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Paper work is a material to arouse curiosity and interest in mathematics to most of students who think that mathematics is difficult and a subject of anxiety. Because with paper work students who think the four arithmetical operations and solving a question are all of mathematics, could go through pliability and intuition of thought. This study has focused on the meaning of mathematics, especially an algebraic equation, contained in paper work is too familiar with us. Many people think that the solution of an equation can be produced through calculation. But the school of Pythagoras studied how a quadratic equation could be solved using rectangular form meanwhile geometry was advanced in ancient Greece. From now, let's try to get solution of a quadratic equation by another way. We may realize that a real root of a cubic equation and a cube root could be solved with paper work. This study researched on the actual condition of practical using of paper work in schoolbooks of 7th education processing of meddle school course, considered a method of solving equation by paper work that is based on activism from a educational point of view in mathematical training, and looked for a effective way easy to understand. Two students participated in the study are high or low level of achievement about mathematics. From a preliminary examination, two students were estimated their knowledge on an equation, and then, participated in the class processed to solve a quadratic equation with paper work. 3 days later, had evaluation and a face interview with each student. Each of them evaluated as the way solving an equation with paper work was interesting and could be present actively at the class. This is a summary on tasks and results of the study. A. Does the paper work activity influence students face affirmative to mathematics? Two students presented in the study were affirmative to introduce the paper work activity at a mathematics class. Participants forecasted that the class will be more exciting and more of students will participate at a class with interest if the mathematics class is going through play activities as paper work. B. How paper work affects to understand meaning of a root of a quadratic equation?When asked this kind of a question, after evaluation, participants answered as guidance of study using paper work aroused interest and help to understand, to remember on contents of the class. Two students, all, remembered a real number between roots of a quadratic equation is called as a real root, and knew correctly when solving a quadratic equation by folding paper, a spot met X axis becomes a real root. C. Does paper work help to solve roots of a quadratic equation? Participants did not use paper work actively. At a guess, this is because all of two students are practiced in solving questions. It is a result from the calculation-centered class in which students are skilled only the method of calculation as soon as receiving a question. Paper work does not fit to help solving roots if students have know how calculate roots of a quadratic equation.
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