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小学数学教师的课堂语言及导向作用○顾徐达（江苏省海门市三星中心小学）有位教师在数的整除一节中有这样一问：“８和１５是什么数？”学生甲：“８和１５都是自然数。”学生乙：“８和１５都是合数。”学生丙：“８和１５一个是奇数，一个是偶数。”学生丁：“８和１５...
Primary school mathematics teacher's classroom language and guiding role ○ Gu Xu Da (Samsung Center Primary School, Haimen, Jiangsu Province) There is a teacher in the division of a number of such a question: “What is the number of 8 and 15?” Student A: 8 and 15 are both natural numbers. “Student B:” Both of 8 and 15 are compound numbers. “Student C:” One is odd and one is even. “Student D:” 8 and 15 ...