《长方形与正方形的面积》钱月梅(国外英文资料).docVIP

《长方形与正方形的面积》钱月梅(国外英文资料) The teaching plan of rectangle and square area in mathematics subject of grade three in primary school Coach Qian Yuemei teaches 2009.11.24 I. teaching objectives (I) cognition 1. will use centimeter square to represent the area of the figure, understand area unit cm2, establish the concept of area of 1 cm2 tentatively. 2. will deduce the square and square area calculation formula, and uses the formula to carry on the area computation. (two) Psychology 1. Cultivate the spirit of exploring mathematics. 2, develop self-confidence. (three) behavior 1, in the study for the problem can help, recalling the old knowledge, exercise related old skills, establish learning motivation. 2, the initial use of standardized mathematical language expression, to achieve integrity and scientific. 3. Learn to listen and learn to respect each other. 4 、 develop self-confidence and sense of responsibility. Two, teaching content, key points and difficulties Key points: derivation of formulae for calculating rectangular and square area. Difficulty: understanding the meaning of rectangular and square area formulas. Three, teaching media Blackboard and multimedia courseware. Four, teaching process Teaching link Teaching content and organization form The teaching of a teacher Expected student behavior and psychological changes 1, study preparation link Help the students to recall relevant 1: the difference between rectangle and square; complex scale scale practice skills, interested in learning the content of today rectangle and a square, as good wisdom for class. 1., show 6 graphics, so that students find a distinctive graphics. Lead the students to the name of the figure and review the difference between the rectangle and the square. 2. measure the length of a line with a scale. 3. draw the task of this lesson: the area of the rectangle and the square. 4, Q: draw a square let students say it what is the area in order to help the students to establish learning in rec