理解代数

Taqwa Nur Ibad, M. Zaini
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引用次数: 7

摘要

今天,许多学生不熟悉代数。他们认为代数是一门可怕的课程。甚至没有几个人真的讨厌这一课。从这里开始,代数材料总是试图以一种更令人愉快的形式呈现。让人感觉新鲜的外表确实值得展示,以增加对代数的热爱。代数的概念,有意无意地,实际上早在幼儿园就开始教了。例如,当学习时,在敲击桌子、椅子或其他物体的同时演奏/唱歌。通过注意重复节拍的顺序,教师可以根据孩子的推理水平简单地向他解释代数的概念。解决问题的困难之一是解释我们试图从未知中找到的答案。在代数中,如果它们是数字,通常用字母“a”或“x”来解释。这通常会导致误解。在算术中,字母被用作测量的缩写,例如,如果花园的长度已知为12米,这意味着12米。有时3a + 4b意味着“3个苹果和4根香蕉”。在代数的语境中,3a + 4b表示3 * a + 4 * b,也就是说,a和b不代表苹果和香蕉,它们单独代表未知数。如果a = 5, b = 2,那么3a + 4b = 3x5 + 4x2 = 15 + 8 = 23。
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Understanding Algebra
Today, many students are not familiar with algebra. They consider algebra to be a scary lesson. Not even a few who really hate this lesson. Starting from there, algebra material always tries to be presented in a more pleasing form. Appearances that feel new are indeed worth showing to increase the love of algebra. The concept of algebra, consciously or unconsciously, has actually been taught from an early age in kindergarten, Play Group. For example when studying while playing / singing accompanied by a knock on a table, chair or other object. By paying attention to the sequence of repeating beats, the teacher can simply explain the concept of algebra to the child according to his level of reasoning. One difficulty in solving problems is to explain the answers we try to find from the unknown. In algebra if they are numbers, they are often explained by letters such as 'a' or 'x'. This usually leads to misunderstanding. In arithmetic, letters are used as abbreviations for measurements, for example if the length of the garden is known to be 12 m. which means 12 meters. sometimes 3a + 4b which means '3 apples and 4 bananas'. In the context of algebra, 3a + 4b means 3 times a plus 4 times b, that is, a and b do not represent apples and bananas, they stand alone for unknown numbers. If ‘a’ is 5 and ‘b’ is 2 then 3a + 4b will be 3x5 + 4x2 = 15 + 8 = 23.
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