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地理数字在教材中大量存在。中学四册课本中,仅正文上就有几百个(还不包括一般顺序数和年代等),如果将小字部分和图表上的加在一起,何止一、两千个。实际上,教师讲课只靠课本上的数字是不够的,如果再加上去,数量更为可观。从而在数学过程中出现两个问题,一个是学生应该掌握哪些数字;二是怎样教法。让学生掌握哪些数字不能靠主观意
Geographical numbers exist in large quantities in teaching materials. In the four textbooks of the middle school, there are only a few hundred in the text (not including the general order number and age, etc.). If the small-character part is added to the chart, there will be more than one or two thousand. In fact, it is not enough for teachers to teach based on the numbers in textbooks. If they are added to them, the number is even more impressive. Thus, there are two problems in the mathematics process. One is what numbers students should master; the second is how to teach. Let students master what figures cannot be subjective