教学目标:1.体验1公顷的大小,建立1公顷的表象。2.掌握公顷和平方米之间的简单换算。3.在计算、游戏等数学活动中,培养学生的合作意识和想像推理能力。4.渗透爱祖国、爱家乡的思想品德教育。教学重点:掌握公顷与平方米之间的简单换算。教学难点:建立1公顷的表象,体会1公顷的实际大小。 Teaching Objectives: 1. Experience the size of 1 hectare, the appearance of 1 hectare. 2. Master simple conversion between hectares and square meters. In the calculation, games and other mathematical activities, to cultivate students’ sense of cooperation and imagination. 4. Penetration loving the motherland, loving hometown ideological and moral education. Teaching Focus: master hectares and square meters between the simple conversion. Difficulties in teaching: Establish the appearance of 1 hectare and experience the actual size of 1 hectare.