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在突破某些教学难点时,教师可以借助比喻、夸张、类比等手法使学生感觉到数学并不是枯燥无味的,数学也是活生生的、有趣的。例如,教学“用字母表示数”时,当字母与数相乘,省略乘号时数要放到字母的前面,如a×12=12a。可是很多孩子总是将中间的乘号直接省略,写成a12。怎么才能让孩子巧
When breaking through some difficult teaching points, teachers can make students feel that mathematics is not boring by analogy, exaggeration, analogy and so on. Mathematics is also living and interesting. For example, when teaching “alphanumeric”, when the letter is multiplied by a number, omit the multiplication sign before the letter, such as a × 12 = 12a. However, many children always omit the multiplication sign in the middle and write a12. How to make children clever