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教学内容:人教版实验教材小学数学二年级下册92页～93页例1、例2及做一做,练习十九1～4题。教学目标:知识目标:在自主探索与合作交流中理解掌握两位数加减两位数的口算方法(和在100以内),正确灵活地进行口算;能力目标:培养计算能力和解决实际问题的能力;思想目标:感受数学与生活的密切联系,体验解决问题策略的多样性。教学重点:理解掌握口算方法,灵活正确口算
Teaching content: PEP Teaching material Primary school mathematics second grade Volume 92 ~ 93 pages Example 1, Example 2 and do one, practice nineteen 1 ~ 4 questions. Teaching Objectives: Objectives of Knowledge: To understand and master the double-digit double-digit arithmetic (and within 100) in the process of independent exploration and cooperation and communication, and to correctly and flexibly conduct oral calculation. Objectives of Ability: To develop computational skills and solve practical problems Ability; ideological goal: to experience the close connection between mathematics and life, to experience the diversity of strategies to solve problems. Teaching focus: to understand the method of calculating the mouth, flexible and correct mouth count