《平行四边形的面积》教学案例与反思(国外英文资料).docVIP

《平行四边形的面积》教学案例与反思(国外英文资料) Collected by oneself Mistakes are unavoidable For reference only In case of error Please correct me! Thanks The teaching case and reflection of the area of parallelogram Zhangpu County Experimental Primary School Lin Junhui Content of courses The experimental textbooks of compulsory education mathematics curriculum standard of the fifth grade on page 79~81 The area of a parallelogram Textbook analysis The calculation of the parallelogram area is based on the students grasp of the parallelogram and the calculation of the area of the rectangle and square It is to further study the triangle, trapezoid, and three-dimensional graphics based surface area In the teaching of this lesson Guide students to start operation Cooperative inquiry A method for computing the area of parallelogram is derived by using the transformation method And use the knowledge we have learned to solve practical problems in life Teaching target 1, through exploration Understand and grasp the formula for calculating the area of a parallelogram The area of a parallelogram can be correctly calculated 2, through operation, observation, comparison Train students to use transformation methods to solve practical problems Developing students spatial concept 3, students in independent inquiry to experience the joy of success Get a positive emotional experience Stimulate interest in learning Teaching emphasis Understand and grasp the computational formula of the area of the parallelogram Teaching difficulties Understand the derivation of the formula for computing the area of a parallelogram Teaching aids and teaching preparations Courseware Parallelogram paper scissors Ruler, etc teaching process Creating situations Elicit issues 1, courseware show situation map Teacher: class! Its a pleasure to be with you all I find our school environment especially beautiful I took some pictures Have a look What shapes can you figure out? Take pictures and answer 2 division: in 6 days Our school