《公倍数和最小公倍数》教学设计（Teaching design of common multiple and minimum common multiple）.docVIP

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《公倍数和最小公倍数》教学设计（Teaching design of common multiple and minimum common multiple）.doc

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《公倍数和最小公倍数》教学设计（Teaching design of common multiple and minimum common multiple） Public multiple and minimum common multiple teaching design personal profile Certificate of honor Award certificate Training certificate media coverage Education story speaking script summary Pubications Teaching essay Subject research Learning method instruction test paper Practice design Download Teaching discussion Classroom style Training investigation Good life Picture appreciation | Home | personal data | Education without mark | Teaching research | Teaching case | Teaching record | Subject resources | Wonderful moment | Outside the box | A goose utters its cry wherever it flies | Your present position: Cao Hui studio website teaching research teaching case article text LCD and LCM teaching design. * [hot big baby] Teaching design of common multiple and minimum common multiple Author: Cao Hui article source: this site original hits: 1654 update time: 2008-3-16 Common multiple and lowest common multiple Jurong Experimental Primary School Cao Hui Teaching content: textbook 22-23, page 1, example 2 and practice, practice four, 1-4. The textbook of this class is a multiple concept understanding in students, and multiple basis will find a number of common multiple teaching and LCM, lay the foundation for later learning way. The textbook contains two examples. Example 1 leads students to perceive the meaning of the common multiple by using small rectangular sheets, square actions, and a series of discussions. Example 2 arrangements for students to find 6 and 9 of the common multiple and the minimum common multiple, sentiment for the two numbers of the common multiple method, reveal the concept of the least common multiple. Then we introduce the set diagram to represent the multiples and common multiples of 6 and 9, and help students understand the concept of common multiple more intuitively. Teaching target: 1, through the creation of specific situations and operation activities, to enab