乘法口诀是学习表内乘除法及多位数乘除法的基础,要在学生理解其意义和结构的基础七,通过练习,使学生能熟练掌握,达到不假思索脱口而出的程度,这是教学中的一个难点,解决这个难点的办法在于把意义识记和机械识记有机地结合起来.而在机械识记(这里主要指背诵)中,科学的安排练习是一个值得注意的问题。 The multiplication formula is the basis for learning multiplication and division and multi-digit multiplication and division in the table. It is necessary for students to understand the basis of their meaning and structure. VII. By practicing so that students can acquire proficiency and reach the level of thinking without thinking. This is one of the teaching Difficulties, the solution to this difficulty lies in the organic combination of meaning and mechanical identification, and in the mechanical identification (mainly recite here), the scientific arrangement exercise is a noteworthy issue.