有位大学教授曾对刚入学不久的同学做过这样的试验:在四堆物品中(四块白方糖、三粒红钮扣、三根本白线、三张报纸)找出一堆和其它几堆都不同的物品。结果,多数同学只以用途、大小、颜色和形状做为标准来取舍,只有极少数学生是以“数”为标准选定白方糖。由此可见,低年级的学生是以形象思维为 A university professor once did such a test for a classmate who had just enrolled in school: finding a bunch and others in four piles of objects (four white sugar cubes, three red buttons, three white lines, three newspapers) Several piles of different items. As a result, most of the students chose only the uses, sizes, colors and shapes as criteria. Only a handful of students chose white sugar as the standard for “number”. This shows that the lower grades of students based on the image of thinking