【教学内容】人教版五年级上册第106页。【教学过程】一、直观引入,唤起旧知师:同学们参加了植树活动,并知道了植树的好处。老师还想说,植树中还藏着许多数学问题呢!今天我们就来研究“植树问题”。师:老师把同学们种的这一排树画下来了,看到这张图,你获得了哪些信息?能提出一个数学问题吗? 【Teaching content】 PEP fifth grade on the first 106 pages. [Teaching process] First, the introduction of intuition, arouse the old teacher: Students participated in tree planting activities, and know the benefits of planting trees. The teacher would also like to say that there are many math problems hidden in tree planting. Today, we study “planting problems”. Teacher: The teacher drew this row of trees planted by the students. What information did you get when you saw this picture? Can you ask a mathematical question?