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【教学内容】北师大版小学数学一年级(下册)五、加与减(二)3、小小图书馆【教学目标】1.探究并掌握两位数减一位数退位减法的计算方法,让学生经历探索计算方法的多样化,能正确地进行口算。2.创设情境,培养学生的动手操作能力和观察能力,培养学生的探究意识和提出并解决问题能力。3.在解决简单的实际问题的过程中,让学生自主地投入到探究学习活动中,体验合作交流的快乐。【教学重点】两位数减一位数(退位)
【Content】 Beijing Normal University Primary School Mathematics Grade 1 (Part 2) 5, plus and minus (2) 3, a small library 【Teaching Objectives】 1. Exploration and master double digit minus one digit abatement subtraction calculation Method that allows students to explore the diversity of computational methods and to make correct calculations. 2. Create situations to develop students ’hands-on ability and observation skills, develop students’ awareness of inquiry and ability to ask and solve problems. 3. In the process of solving simple practical problems, let the students autonomously devote themselves to inquiry learning activities and experience the joy of cooperation and exchange. 【Teaching Focus】 Double-digit by one digit (abdicated)