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教学内容:六年制小学数学第四册第65页例1。教材简析:一位数乘两位数是在学生熟练地掌握表内乘法、能正确迅速地进行百以内加减法的基础上进行教学的,是为一位数乘多位数的计算法则的揭示及今后学习乘数是两、三位数的乘法作铺垫的。本课是这节内容的第一课时,内容包括一位数乘两位散的意义、读法、算理、算法及书写格式。数学目标:(1)使学生初步掌握一位数乘两位数的意义、算理和算法;(2)能熟练地按照一位数乘两位数的计算方法正确进行计算;(3)培养学生良好的学习习惯和正确运用数学语言表达算理的能力。
Teaching Content: Six Years of Primary School Mathematics, Book IV, p. 65 Example 1. Teaching material analysis: one digit by two digits is to master the multiplication table in the student proficiency, can be carried out correctly and quickly on the basis of addition and subtraction of one hundred teaching, is one digit multiplied by the number of rules The revelation of the future and learning multiplier is a two or three-digit multiplication for bedding. This lesson is the first lesson of this section, which includes the meaning of one digit by two, reading, arithmetic, algorithm and writing format. Mathematical goals: (1) to enable students to initially grasp the significance of one digit by two digits, arithmetic and algorithm; (2) to be proficient in accordance with the one-digit by two digits calculation method correctly calculated; (3) training Students' good learning habits and the ability to correctly use mathematical language to express arithmetic.