"Sector Chart" data collection and organization PPT courseware 2

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"Sector Chart" data collection and organization PPT courseware 2

problem solved:

If you are the sports committee member in your class, prepare to organize the whole class to watch a ball game. In order to attract as many students as possible to participate, what kind of competition will you organize to watch?

Data collection; data processing; decision making.

Observe the picture below and answer the following questions:

(1) How many continents are there in the world? Which continent has the largest area?

(2) Which two continents have a combined area closest to half of the Earth’s total land area?

(3) What do each sector in the picture represent? What is the sum of all percentages?

(4) What other information can you get from it?

(5) Can you know the total land area of ​​the earth from the statistical chart?

What are the characteristics of a fan chart?

1. The circle represents the whole;

2. Sectors represent different parts of the total;

3. The size of the sector reflects the percentage of the part to the whole.

Observe the graph below and answer the questions:

(1) If this circle represents the population, which sector represents 25% of the population?

(2) If the entire circle represents the number of people in your class, then how many people does sector B represent?

(3) If the entire circle represents 9 hectares of rice fields, then how many hectares of rice fields does sector C represent?

1. Characteristics of statistical charts:

(1) The circle represents the whole;

(2) The sector represents different parts of the whole;

(3) The size of the sector reflects the percentage of the part to the whole.

2. The sum of the percentages of each sector is 1;

3. In different statistical charts, the size of partial quantities cannot simply be compared based on the size of the percentage.

Keywords: data collection and organization courseware, sector chart courseware, Beijing Normal University edition seventh grade mathematics volume 1 PPT courseware, seventh grade mathematics slide courseware download, data collection and organization PPT courseware download, sector chart PPT courseware download, .ppt format

For more information about the PPT courseware "Data Collection and Organizing Sector Chart", please click the Data Collection and Organizing PPT Sector Chart PPT tab.

"Sector Chart" data processing PPT teaching courseware:

"Sector Chart" Data Processing PPT Teaching Courseware Part One Content: Objectives of this Section 1. Through examples, learn about fan charts and understand the characteristics and functions of fan charts. 2. Be able to read fan charts, obtain effective information from them, and experience the application of statistics in real life..

"Sector Chart" data processing PPT download:

"Sector Chart" Data Processing PPT Download Part One: Classroom Introduction 1. Understand the characteristics of the sector chart and understand the role of the sector chart; 2. Learn to observe fan charts and be able to raise and solve mathematical problems based on fan charts; 3. exist..

"Sector Chart" data processing PPT:

"Sector Chart" Data Processing PPT Part One Content: Learning Objectives 1. Through mathematical practice activities, students can learn about fan charts, experience the characteristics of fan charts, and understand the role of fan charts. 2. Learn to observe fan charts and learn from fan...

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Update Time: 2024-09-08

This template belongs to Mathematics courseware Beijing Normal University Edition Seventh Grade Mathematics Volume 1 industry PPT template

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