在苏教版小学高年级教材中,有4次“探究规律”教学活动,分别是五年级上的《钉子板上的多边形》、五年级下的《和与积的奇偶性》、六年级上的《表面涂色的正方体》及六年级下的《面积的变化》,它们均安排在每个单元的最后一课时,目的是延伸相关知识并拓展与应用“探究规律”。例如《钉子板上的多边形》既与测量图形的面积有关,还与用字母表示数相关,因此教学中,我们要循序渐进,在层层递进中展开探究活动。“探究规律”的 There are 4 teaching activities of “Inquiry Rules” in the higher education textbooks of the Sujiao Version Primary School, which are the “polygons on the nail board” in the fifth grade, the “parity of the sum and the product” in the fifth grade, “Surface-painted cubes” in grades and “Area changes” in grades six are arranged in the last lesson of each unit to extend the relevant knowledge and to extend and apply “the law of inquiry.” For example, “the polygons on the nail plate” are not only related to the area of ​​the measurement graph but also related to the number of alphanumeric characters. Therefore, in teaching, we need to step by step and carry out research activities progressively. “The law of inquiry ”