"Sector Chart" PPT courseware 6

Description

"Sector Chart" PPT courseware 6

teaching objectives

1. Combined with specific examples, experience the process of reading fan charts, communicating, discussing, and understanding the characteristics of fan charts.

2. Understand the characteristics of data represented by fan charts, be able to answer relevant questions based on the information in the statistical charts, and be able to ask questions and answer them.

3. Actively participate in mathematical activities, feel the intuitiveness of data represented by fan charts, and stimulate interest in learning new knowledge.

Read it.

Tell me, what information did you discover from the picture?

What math questions can you ask?

What does each circle represent? What does each sector represent?

Observe the four statistical charts and talk about each one: What are the characteristics of the data?

Observe the four statistical graphs and talk about each one: What is the sum of the percentages in the graph?

Observe the four statistical graphs and talk about each one: What can be learned directly from the graph?

In conclusion

1. A sector chart uses a circle to represent the total quantity, and sectors of different sizes in the circle to represent the percentage of each part of the quantity.

2. Characteristics of fan charts: Fan charts can clearly represent the relationship between parts and the whole.

practice

1. Answer the questions based on the statistical chart (4) below.

(1) What is the ball game that more than 1/3 of the students in Class 6 (1) like?

(2) If you are the sports committee member of Class 6 (1) and the class organizes a ball game, what game do you plan to organize? Why?

2. There are 80 people in the Children's Palace Chorus. Their age structure is as shown below. Fill in the blanks by looking at the picture.

(1) The largest number of students are _____ years old, accounting for _____% of the total number of choir members, with _____ people.

(2) The number of 12-year-old students accounts for _____% of the choir, and there are _____ people.

(3) Ask questions and answer them yourself.

3. Below is a statistical chart of the planting area of ​​various crops in Lizhuang in autumn.

(1) How many hectares of cotton are planted in Lizhuang?

400×25%=100 (hectare)

(2) How many hectares of soybeans are planted in Lizhuang?

400×12.5%=50 (hectare)

(3) Ask questions and answer them yourself.

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For more information about the "Fan Chart" PPT courseware, please click the "Fan Chart ppt" tab.

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File Info

Update Time: 2024-10-19

This template belongs to Mathematics courseware Hebei Education Edition Sixth Grade Mathematics Volume 1 industry PPT template

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