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（编者按：本期对同一课题编发了两份不同的教学设计，反映出教师对教材的理解、把握和较深厚的教学功底。教学有法，教无定法，意在抛砖引玉，期待广大教师能将有特色的、教学效果显著的教学设计寄予本抵以飨读者。教学内容：九年义务教育六年制小学数学第八册P68例及教学目的
(Editor's Note: Two different teaching designs were compiled for the same subject in this issue, reflecting the teachers' comprehension and grasp of teaching materials and their profound teaching skills. Teaching content with distinctive and remarkable teaching effect will be sent to the readers who have arrived at it.Teaching Contents: Nine Years of Compulsory Education Six Years Primary Mathematics in P.8 P68 Cases and Teaching Objectives