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教学内容:五年制第五册第73页例1 教学目的: 1.掌握两位数乘多位数的计算步骤,初步归纳两位数乘多位数的计算法则。 2.明确用乘数十位上的数去乘被乘数,积的末位要和乘数的十位对齐的道理。 3.提高学生综合运用知识的能力。 教具和学具:磁性黑板一块,0～9数码一袋,长方形、正方形黑色小铁片各一块。可在座位上演算的小黑板每个学生一块。
Teaching Content: Five-Year Volume V Page 73 Example 1 Teaching Objectives: 1. Grasp the calculation steps of double digits and multiple digits, initially summarizing the calculation rule of double digits and multiple digits. 2. Clearly use the number of multiples of tens to multiply the multiplicand, the end of the product and the multiplier to align the ten bits of truth. 3. Improve students' ability to use knowledge comprehensively. Teaching aids and learning tools: a magnetic blackboard, 0 to 9 digital bag, rectangular, small square black iron each one. A small blackboard that can be counted in the seat for each student.