论文部分内容阅读
一、教学目标(一)认识和记忆1.记住万以内不退位减法的计算方法。2.记住万以内减法的验算方法。3.记住两位数减两位数的口算方法。4.认识“求比一个数少几的数”的意义。5.记住万以内不连续退位减法的计算方法。6.记住万以内连续退位的计算方法。(二)理解
First, the teaching objectives (A) understanding and memory 1. Remember that within the million not abolished subtraction method of calculation. 2. Remember that the method of checking subtraction within million. 3. Remember double-digit double-digit port count method. 4. Know “a few numbers to find a few” significance. 5. Remember that within the million discontinuous abatement subtraction method of calculation. 6. Remember to calculate the continuous abortion within million. (B) understand