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一回顾实际测量过程师:说到测量,如果要测量这支粉笔的长度,我们用什么测量工具比较好?生:直尺。师:如果我们要测这桌子的长、宽、高和体积,我们要用什么来测量?生:卷尺或者米尺。师:关于“实际测量”这一章,我们来复习一下。第一,要熟悉测量工具,我们使用了哪些测量工具;第二,步测要注意哪些问题,怎样尽量减少步测的误差;第三,练习目测的时候,我们是怎么样练习的?哪位同学来说第一个问题,
A review of the actual measurement process division: Speaking of measurement, if you want to measure the length of this chalk, what measurement tools we use is better? Health: ruler. Teacher: If we want to measure the length, breadth, height and volume of this table, what measure shall we use to measure? Health: tape measure or meter scale. Teacher: On the chapter of “Actual Measurement”, let’s review it. First, we must be familiar with the measurement tools, which measuring tools we use; second, what are the steps we should pay attention to, and how to minimize the error of the step measurement; thirdly, how do we practice when we practice the visual inspection? The first question for students,