一、运用线段图示寻找解题思路线段图比较直观,能正确地反映应用题中的数量关系,它是解答应用题的重要辅助方法。在解题时根据题意画出线段图,学生就能凭借线段图中反映的数量关系列出算式。例如:同学们参加劳动,三年级去了８６人,其他年级参加人数比三年级的２倍还多１１人。 First, the use of line icon to find ways to solve the problem line diagram is more intuitive, can correctly reflect the quantitative relationship between application questions, it is to answer the application of important ancillary methods. When solving problems based on the idea of ​​drawing line drawings, students can rely on the number of lines reflected in the relationship between the number of formulas. For example, students took part in labor, 86 in third grade, and 11 in other grades than twice in third grade.