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教学内容:北师大版数学3年上册第4单元。教材简析:本单元主要内容是学习两、三位数乘一位数的计算方法,是在第1单元已经学习了两、三位数乘一位数口算的基础上进行的。本课是本单元第一课时,是两、三位数乘一位数不进位的笔算。教材结合“购物”的情境,提出数学问题,并列出算式。教材提供了人民币实物演示、
Teaching content: Beijing Normal University edition of mathematics 3 years on the fourth unit. Teaching material analysis: The main content of this unit is to learn two or three digits by one-digit calculation method is based on the first unit has learned two or three digits by one-digit calculation. This lesson is the first class of the unit, is a two-digit, three-digit by one digit does not carry the pen count. Teaching materials combined with the “shopping” situation, put forward mathematical problems, and lists the formula. Textbooks provide RMB physical demonstration,