第五单元

Unit 5

Olympic Medals - Fan Chart

五 奥运奖牌——扇形统计图

Lesson 1

Gold medal list of the 30th An Yun Hui Chinese Sports Delegation

第30届安云辉中国体育代表团金牌榜

What questions can you ask?

你能提出什么问题？

Cooperative exploration

合作探索

What about the number of gold MEDALS won in various events?

1. 各种项目获金牌数的情况怎样？

Let's sort out the data first.

我们先分类整理一下数据吧。

Water sports include: swimming, synchronized swimming, water polo, diving and so on.

水上项目包括：游泳、花样游泳、水球、跳水等。

The heavy sports include: complete set, taekwondo, weightlifting, judo, wrestling and so on.

重竞技项目包括：全集、跆拳道、举重、柔道、摔跤等。

It can be represented as a bar graph.

可以用条形统计图表示。

It can also be represented as a sector graph.

还可以用扇形统计图表示。

The fan-shaped statistical chart uses the whole circle to represent the total number, and the fan-shaped chart with different sizes within the circle to represent the percentage of each part in the total number.

扇形统计图是用整个圆表示总数，用圆内大小不同的扇形表示各部分所占总数的百分比。

What can you learn from the pie chart?

从扇形统计图中，你能知道哪些信息？

The area of the circle indicates the total number of gold MEDALS won by the Chinese delegation in the 30th Olympic Games.

这个圆的面积表示第30届奥运会中国代表团获得金牌的总数量。

It can be seen that the number of gold MEDALS in ball games accounted for twenty three point seven percent of the total gold MEDALS.

可以看出球类金牌数量占金牌总数的23.7%。

Aquatics has won the most gold MEDALS...

水上项目获得金牌的数量最多……

What do you find when you compare the two statistics?

比较两种统计图，你发现了什么？

The bar chart gives a visual indication of how many gold MEDALS were won in each event.

条形统计图可以直观地表示出每个项目各的了多少枚金牌。

The fan chart clearly shows the relationship between the number of gold MEDALS won in each event and the total number of gold MEDALS won.

扇形统计图可以清楚地表示出各个项目所得金牌数与金牌总数之间的关系。

We can choose the right graph for our needs...

我们可以根据需要选择合适的统计图……

Lesson 2

What questions can you ask?

你能提出什么问题？

Cooperative exploration

合作探索

1. Can you choose the right statistical chart to solve the problem?

1. 你能根据解决问题的需要选择合适的统计图表吗？

I want to know the MEDALS won by the Chinese delegation in the 27th ~ 30th Olympic Games.

 我想知道中国代表团在第27～30届奥运会获得的奖牌情况。

You can choose a statistical table for analysis.

可以选择统计表进行分析。

I want to know the situation of the gold and silver MEDALS of the top four countries in the 30th Olympic Games.

我想知道第30届奥运会奖牌榜前四名的国家获得的金银牌情况。

You can select a bar graph...

可以选择条形统计图……

I want to know the change of the gold MEDALS of China and America during the 27th ~ 30th Olympic Games.

我想知道第27～30届奥运会中美两国金牌的变化情况。

You can select broken line statistics...

可以选择折线统计图……

I want to know the relationship between the number of gold, silver and bronze MEDALS won by the Chinese Delegation and the total number of MEDALS in the 30th Olympic Games.

我想知道第30届奥运会中国代表团获得金、银、铜牌数量与奖牌总数的关系。

You can select the sector graph...

可以选择扇形统计图……

What have you learned from the above problem solving process?

经历了上面的解决问题的过程，你有什么体会？

Statistics is an effective tool for solving problems.

统计是解决问题的有效工具。

Statistical methods can be used to describe and analyze data.

用统计的方法可以对数据进行描述和分析。

According to the results of data analysis, interpretation, judgment and prediction can be made.

根据数据分析的结果可以进行解释、判断和预测。

Wisdom square

智慧广场

There are twenty four four-wheeled cars and two-wheeled motorcycle