“分数的初步认识”中的一道题引起了我的关注和思考。题目如下:图1第一位老师说:“这个分数应该是312。大括号表示合起来看,平均分成12份,涂色部分有3份。”第二位老师说“:应该是34。把一个正方形看成单位 ”A preliminary understanding of scores “ in a question caught my attention and thinking. The questions are as follows: Figure 1 The first teacher said: ”This score should be 312. Braces indicate that together, the average is divided into 12 copies, the painted part has 3.“ The second teacher said: ”Should be 34. Think of a square as a unit