Unit seven The knowledge in the home -- the preliminary understanding of the decimal 家居中的学问——小数的初步认识 Lesson One 第一课 The width of the kicking line is 0.1 meters. 踢脚线的宽度为0.1米。 The height of the sofa is 0.4 meters 沙发的高度为0.4米。 The height of TV ark is 0.55 meters. 电视柜的高度为0.55米。 The crib is 2 meters long, 1.2 meters wide and 0.5 meters high. 儿童床长2米，宽1.2米，高0.5米。 The height of the writing desk is 0.7 meters. 写字台的高度为0.7米。 What questions can you ask? 你能提出什么问题？ 1. What are the numbers 0.1, 0.4, 0.55, 1.2, 0.5 and 0.7? 1) 0.1，0.4，0.55，1.2，0.5和0.7都是什么数？ I know that these numbers are all decimals. 我知道这些数都是小数。 All of these numbers are a little bit more than we've seen before. 这些数都比以前学过的数多一个点儿。 Like 0.1, 0.4, 0.55, 1.2...... Numbers like this are all decimals, "." It's the decimal point. 像0.1，0.4，0.55，1.2......这样的数，都是小数，“.”是小数点。 0.1 is read as one point, 0.55 as one point five and 1.2 as one point two...... 0.1读作零点一，0.55读作零点五五， 1.2读作一点二...... Can you write the decimal on the bottom line? 你能写出下面横线上的小数吗？ Take lampblack machine to leave the height of hearth should be in the control of 6 meters of zero point. 抽油烟机离灶台的高度应在零点六米左右。 The droplight in the bedroom should not be under 2.5 meters from the height of the ground. 居室中吊灯离地面的高度应不低于二点五米。 2. The width of the kicking line is 0.1 meters. 2.踢脚线的宽度为0.1米。 How long is 0.1 meter? 0.1米有多长？ 0.4, 0.5 and 0.7 meters. 0.4米，0.5米和0.7米呢。 Divide a meter into 10 equal parts. Each is 1/10 of a meter, which is 0.1 meters. 把一米平均分成10份，每份是1/10米，也就是0.1米。 3. The height of the TV cabinet is 0.55 meters. How long is 0.55 meters? 3.电视柜的高度为0.55米，0.55米有多长？ Divide a meter into 100 equal parts. Each is 1/100 of a meter, or 0.01 of a meter. 把一米平均分成100份，每份是1/100米，也就是0.01米。 4. Would you compare the length of 0.5 meters to 0.4 meters? 4.你会比较0.5米与0.4米的长度吗？ 5. Would you compare the length of 0.5 meters to 1.2 meters? 5.你会比较0.5米与1.2米的长度吗？ Lesson Two 第二课 The appropriate height of the hearth is about 0.7 meters. 灶台的适宜高度为0.7米左右。 Take lampblack machine from hearth 0.6 meters or so. 抽油烟机离灶台0.6米左右。 The chair is 0.4 meters high. 椅子高0.4米。 The desk is 0.7 meters high. 书桌高0.7米。 The bookcase is 1.5 meters high. 书柜高1.5米。 What questions can you ask? 你能提出什么问题？ 1. How high is the range hood above the ground? 1. 抽油烟机离地面有多高？ 0.7 plus 0.6 is equal ——（meters） 0.7+0.6=——（米） How many meters is the bookcase higher than the desk? 1. 书柜比书桌高多少米？ One point five minus seven point seven is equal to -- meters 1.5-0.7=——（米） Wisdom Plaza |
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