Unit 1 Happy Farm Trip -- Percentage (2) 一 欢乐农家游——百分数(二)
Lesson 1 Uncle Wang's "National Day" Golden Week reception of tourists statistical table 王伯伯家“十一”黄金周接待游客情况统计表
What questions can you ask? 你能提出什么问题？ Cooperative exploration 合作探索 1. What percentage more people travel by themselves this year than last year? 1. 今年自驾游人数比去年多百分之几？
① How many more people are traveling by road this year than last year? Then count.. ①先算今年自驾游人数比去年多多少人，再算…… The difference of five hundred and forty minus four hundred and eighty divided by four hundred and eighty equals to twelve point five percent. (540－480)÷480＝12.5% ② Calculate the number of self-driving tourists this year is what percent of the number of self-driving tourists last year. Then calculate... ②先算今年自驾游人数是去年自驾游人数的百分之几，再算…… Five hundred and forty divided by four hundred and eighty minus one equals to twelve point five percent. 540÷480－1＝12.5% Answer: The number of people traveling by road this year is twelve point five more than last year 答：今年自驾游人数比去年道具多12.5% How many percent less people were there last year than this year 2. 去年子啊有人数比今年少百分之几？ Think about it , what distinction and connection do these two problems have? 想一想，这两个问题有什么区别与联系？
Lesson 2 During the Picking festival, Fenghuangling Village received nine hundred and eighty tourists, of whom seventy five percent went to the apple orchard to pick. 采摘节期间，凤凰岭村共接待游客980人，其中到苹果园采摘的占75%。 Pear orchard earned forty thousand yuan last year, and this year's income is up five percent from last year. 梨园去年收入4万元，今年收入比去年增长5%。 The output of pomegranates this year os thirty tons, twenty five percent higher than that of last year. 今年产石榴30吨，比去年增产二成五。 What questions can you ask? 你能提出什么问题？ Cooperative exploration 合作探索 1. How many people are picking in the apple orchard? 1. 到苹果园采摘的有多少人？ To figure out the number of people picking in the apple orchard is to figure out what seventy five percent of nine hundred and eighty is. 求到苹果园采摘的人数，就是求980的75%是多少。 Nine hundred and eighty times seventy five percent equals to _______(people) 980×75%＝_______(人) Answer: There are _____ people picking in the apple orchards. 答： 到苹果园采摘的有_____人。 How much is the income of Pear orchard this year? 2. 梨园今年收入多少万元？
Let's figure out how many yuan more this year than last year, and then... 先算今年比去年增加了多少万元，再算…… Four times zero point five percent equals to zero point two(ten thousand yuan) 4×0.5%＝0.2(万元) Four plus zero point two equals to four point two (ten thousand yuan) 4＋0.2＝4.2(万元) Let's figure out what percentage this year's income is of last year's, and then... 先算今年收入是去年的百分之几，再算…… Four times the sum of one plus five percent equals to four point two 4×(1＋5%)＝4.2 Answer: The revenue this year is forty two thousand yuan. 答：梨园今年收入4.2万元。 3. How many tons of pomegranates were produced last year? 4. 去年产石榴多少吨？ It is often used in industrial and agricultural production and in daily life. A few achievements are a few tenths. 在工农业生产和日常生活中经常用到成数。几成就是十分之几。 An achievement is one tenth, written as a percentage is ten percent... 一成就是十分之一，写成百分数是10%…… Think of it this way: last year's production + increased production over last year = this year's production 可以这样想：去年的产量＋比去年增加的产量＝今年的产量 Another way to think about it is: last year's production times the sum of one plus twenty five equals to this year's production 也可以这样想：去年的产量×(1＋25%)＝今年的产量 Answer: last year produced twenty four tons of pomegranate. 答：去年产石榴24吨。
Lesson 3 There are twenty people in the party 旅游团有20人。 T |
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