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小学数学第三册乘除法的教学要求是:对乘、除法意义的理解,熟练掌握乘法口诀和用口诀求商,学会解答乘、除法应用题。一、系统整理,形成网络掌握乘法口诀是熟练进行乘、除法计算的基础。第三册教材把口诀安排在第二、六两个单元。期末复习时,要进行系统整理。口诀从一一得一到九九八十一,共四十五句,可引导学生按不同的方式自己整理、排列。例如。从一一得一开始,接着一二得二、一三得三……一九得九;然后,二二得四、二三得六……二九十八……直到九九八十一。也可按“大九九”整理排列。对易混的或难于记忆的口诀,如四六二十四,三八二十四,得数相同;七九六十三,四九三十六,得数个位与十位上的数字交换,要单独提
The elementary mathematics book three multiplication and division teaching requirements are: the multiplication, division of meaning understanding, proficiency in multiplication formulas and formulas to find business, learn to answer by multiplication, division application questions. First, the system is organized to form a network Mastery Multiplication formula is a skilled basis for multiplication, division calculation. The third book textbooks arranged formulas in the second, six two units. Period review, to carry out systematic order. The formulas, ranging from one by one to nine nine eighty-one, for a total of forty-five, can guide students to organize and arrange themselves in different ways. E.g. From one get one by one, one by one, two, one, three, three, nine, nine, nine, two, two, four, two, six, two, nine, eight, nine, nine, nine, eight, eight. Can also press “big nine nine ” finishing arrangement. For the easy-to-mix or difficult to remember formulas, such as 4624, 3824, the same number of pieces; , To mention separately