【教学内容】人教版四年级上册第60耀61页。【教学目标】知识目标:在解决具体问题的情境中能应用合适的方法进行估算,养成估算的习惯。能力目标:培养灵活运用估算的方法解决实际问题的能力,能解释估算过程,并能对估算结果做出合理性的判断。情感目标:感受数学与生活的紧密联系,提高学习数学 Teaching content] PEP fourth grade on the 60th Yao 61 pages. Teaching Objectives Knowledge Objectives: In the context of solving specific problems can be applied to assess the appropriate method to develop the habit of estimation. Capabilities Objectives: To develop the ability to flexibly apply estimated methods to solve practical problems, to explain the estimation process, and to make reasonable judgments about the estimation results. Emotional goals: Feel the close connection between mathematics and life, improve learning mathematics