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对于人教版《九年义务教育六年制小学数学》第八册第64～65页乘法分配律和练习十四的教学,应认识到乘法分配律不是单一的乘法运算,还涉及到加法运算,所以又称之为乘法对加法的分配性质,是乘法简算中一个常用的运算定律。为了帮助学生突破学习乘法分配律的难点,特意补充了实际生
For the teaching of multiplication assignment law and practice fourteen on page 64-65 of the eighth edition of the PEP Edition “Nine-Year Compulsory Education for Six-Year Primary School Mathematics”, we should realize that the multiplicative assignment law is not a single multiplication but also an addition , So it is also called the distribution property of multiplication to addition. It is a common law of operation in multiplication simple calculation. In order to help students to break through the difficulty of learning the law of multiplication and distribution, the students were specifically added to the actual students