"Birthday" data presentation and analysis PPT

Description

"Birthday" data presentation and analysis PPT

Part One: Learning Objectives

1. Combined with the investigation of the birthday season of the students in the class, understand the bar chart and be able to answer simple questions based on the statistical chart.

2. Combined with surveys, let us go through the process of data collection, organization, presentation and analysis, and accumulate experience in activities.

3. Understand the application of statistics in life and feel the connection between mathematics and life.

[Key Points] Understand bar graphs and be able to answer simple questions based on statistical graphs.

[Difficulty] Experience the process of data collection, organization, presentation and analysis, and accumulate experience in activities.

Birthday PPT, part 2: exploration of new knowledge

Today, the teacher wants to investigate the birthday celebrations of our classmates to see which season has more students celebrating birthdays. Can anyone help the teacher think of a way?

For convenience, we agree:

March, April and May are spring,

June, July and August are summer,

September, October and November are autumn,

December, January and February are winter months.

Tell me how you plan to investigate?

Each person writes the season of their birthday on a slip of paper.

Let’s sort out the papers!

You can also paint the situation of the season in which everyone’s birthday occurs in the grid.

Tell me, what did you find from the above statistical chart?

The more grids painted, the more corresponding data.

You can compare the quantities by observing the length of the straight bars.

As can be seen in the above figure, the straight bars in summer are the longest, indicating that the most students are born in summer; conversely, the straight bars in winter are the shortest, indicating that the fewest students are born in winter.

Birthday PPT, Part 3: Classroom Exercises

1. The fourth grade will hold a special sports meeting, and it is necessary to investigate which special sports events the students like the most. Talk to your classmates about how you would like to investigate.

First, investigate the sports that the students like and make a statistical table. Then draw a bar graph based on the statistical table.

2. The class should set up a book corner and investigate what kind of books the students in your class like the most.

(1) Paint the picture below.

(2) Fill it out.

(3) The students who like _________ the most.

There are _________ students who like games, puzzles and popular science encyclopedias.

(4) If you were asked to buy books for your class, how would you buy them? Tell us what you think.

Birthday PPT, Part 4: Class Summary

When drawing a bar chart, you can use 1 grid to represent 1 unit quantity, and draw corresponding straight bars according to the amount of data.

Bar charts are intuitive, vivid, and easy to understand and compare the size of data.

When drawing a bar chart, equal width and width of the bars means that corresponding quantities are compared under the same standard.

Birthday PPT, Part 5: Classwork

1. Complete the statistical chart based on the statistical table below.

2. Count the number of the following animals and complete the statistical chart.

3. Below is a statistical chart of the sports events that a certain class of students participated in.

(1) Fill in the statistical table based on the statistical chart above.

(2) It can be seen from the figure that the most students participated in ( ) activities, and the least students participated in ( ) activities.

Keywords: Free download of Beijing Normal University version of fourth grade mathematics volume 2 PPT courseware, birthday PPT download, data representation and analysis PPT download, .PPT format;

For more information about the "Data Representation and Analysis Birthday" PPT courseware, please click the Data Representation and Analysis PPT Birthday PPT tab.

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"Birthday" data presentation and analysis PPT download:

"Birthday" Data Representation and Analysis PPT Download Part One: Learning Objectives: Combined with the investigation of the season of birthdays of classmates, go through the process of data collection, sorting, presentation and analysis, and accumulate experience in statistical activities. Understand bar graphs and be able to...

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Update Time: 2024-10-02

This template belongs to Mathematics courseware Beijing Normal University Edition Fourth Grade Mathematics Volume 2 industry PPT template

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