熟记乘法口诀是熟练地运用口诀的基础,也是正确、迅速地进行表内乘、除法计算的关键,而且对今后学习四则运算有着深远的影响。为此,教师应要求学生对乘法的每一句口诀都能达到脱口而出,做到句句过关,人人过关。根据低年级学生的年龄特征,长时期集中精力注意某一事物,大 Mnemonic multiplication formula is the basis for skilled use of formulas, but also the correct, rapid table by multiplication, division calculation of the key, but also for the future operation of four arithmetic has a profound impact. To this end, teachers should require students to be able to blurt out every single formula of multiplication, so that every sentence passes, everyone passes. According to the age characteristics of the lower grades, a long time to concentrate on something, big