一、分析教材 :口算除法”是人教版六年制小学数学第五册第３０到第３１页的教学内容。这一教学内容是在第三册教材已经教学过表内乘法和相应的除法 ,学生掌握了用乘法口诀求商的方法。初步学会了除法竖式的写法（包括有余数除法）,在此基础上教学“口算除法”。先教学一位数除 First, the analysis of textbooks: port count division “is the PEP six years of primary school mathematics fifth volume of the first 30 to page 31 of the teaching content of this teaching content is in the third book has been teaching over the table multiplication and the corresponding division , The students mastered the method of seeking business multiplication formula.First learned to divide the vertical writing (including the division of the remainder), on the basis of teaching ”counting." Teaching first digit except