乘法分配律说课稿（Multiplication distribution law）.docVIP

乘法分配律说课稿（Multiplication distribution law） Multiplication distribution law First, teaching materials 1, the position and function of the teaching content in the teaching material The content of this course is to study on the basis of students learning and mastering the law of multiplication and exchange, combining laws, and applying some simple calculations of these laws. The distribution law of multiplication is the teaching focus of this unit, also is the difficulty of the class content of the textbook is in accordance with the analysis of the problems and solutions about ideas, formulation, observation and comparison, summed up the law level of. Learning this part of the teaching content is helpful to improve students observation ability, comparison ability and generalization ability. At the same time, learning the law of multiplication distribution is the premise and basis for students to do simple calculation in the future, and plays an important role in improving students computing power. 2, teaching key points and difficulties Teaching emphasis: understanding and applying the distributive law of multiplication. Teaching difficulty: the inverse operation of the distributive law of multiplication. 3, teaching objectives: (1) knowledge objectives To make students understand and master the distributive law of multiplication, the multiplication distribution law can be used to do simple calculation. (2) intelligent target: Develop students analytical, comparative, comprehensive, and preliminary Abstract skills. (3) emotional goals: Through the students independent study, stimulates the student to study mathematics interest. (4) requirements of the outline Let students correctly understand the distributive law of multiplication from the two aspects of positive and negative. Two, say, pedagogy, law 1, learning situation analysis The students have mastered a multiplication commutative law, associative law, and preliminary application of these laws based on some simple