"Planting Garlic Seedlings (1)" Data Representation and Analysis PPT (Lesson 1)

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"Planting Garlic Seedlings (1)" Data Representation and Analysis PPT (Lesson 1)

Part One: Learning Objectives

1. Combined with the experimental data of garlic seedlings, we will be guided to improve the statistical chart and feel the necessity of representing multiple unit quantities in one grid in the statistical chart.

2. Through activities, we can cultivate our ability to operate and explore independently.

3. Experience the process of collecting, organizing, and analyzing data, and experience the application of bar charts in real life.

[Key Points] Understand and understand the representation method of one cell in a bar chart, and be able to draw some data in life into a bar chart.

[Difficulty] Understand various information and draw bar graphs of data obtained from experiments.

Planting garlic seedlings PPT, part 2: exploration of new knowledge

Plant garlic seedlings

How are the garlic seedlings we planted 14 days ago doing?

After more than ten days of careful care, we all carefully recorded the growth data of the garlic seedlings. We must be very happy to see the garlic seedlings growing taller and taller day by day.

Communicate the growth status of garlic seedlings recorded by each person in the group, and discuss how to organize the data.

We put together the garlic seedlings planted by everyone to see how tall they have grown.

You can also put together the growth records of garlic seedlings from the 1st to the 14th day.

Complete the bar chart in the image below.

What should I do if 1 square means 1 centimeter is not enough to draw? Add more grids?

Drawing process:

① Fill in the title of the statistical chart.

②The horizontal axis is the name of the classmate, and the vertical axis is the height of the garlic seedling.

③Determine the unit length on the vertical axis. If 1 grid is used to represent 1 centimeter and the grid is not enough to draw, then the length of 1 grid can be used to represent 2 centimeters.

④ Draw straight bars of different lengths according to the size of the data, and the width of the straight bars is the same.

Planting garlic seedlings PPT, Part 3: Classroom exercises

1. Do you often do housework within your ability at home?

(1) Communicate with your peers on how to obtain and organize data on the household chores of classmates.

(2) The following is a statistical table of housework status of students in Class 4 (1).

Complete the bar chart below. Tell me, how many people do you use 1 grid to represent?

Answer: Use 1 grid to represent 2 people, as shown in the picture.

2. Complete the bar chart first, and then communicate with your peers. What math questions can you ask?

(1) ( ) The country’s cotton has the longest growing season.

(2) ( ) The country’s cotton has the shortest growing period.

(3) The cotton growth period in ( ) is half of the cotton growth period in ( ).

Planting garlic seedlings PPT, Part 4 content: Class summary

Bar graphs can more clearly represent quantities.

When drawing a bar chart, write a clear title, clarify the meaning of the horizontal and vertical axes, determine the unit amount represented by one grid on the vertical axis, and pay attention to the intervals between straight bars.

Use horizontal, vertical and comparative observation methods to understand bar graphs and get more information from them.

Planting garlic seedlings PPT, Part 4: Classwork

1.Single choice questions

The picture shows the number of balloons of various colors:

There are ( ) red, blue and white balloons in total.

A.45 B.46 C.51 D.69

2. One grid in the statistical chart represents ( ) 10,000 vehicles.

3. ( ) The average height of urban women aged 18 to 25 is higher.

4. The following is a statistical table of Xiao Ming’s household water consumption in 2019.

(1) Xiao Ming’s family used ( ) tons of water in the fourth quarter.

(2) Draw Xiao Ming’s water consumption situation in the four quarters of 2019 into a bar chart.

Keywords: Free download of Beijing Normal University edition fourth-grade mathematics PPT courseware for the second volume, PPT download of planting garlic seedlings, PPT download of data representation and analysis, .PPT format;

For more information about the PPT courseware "Representation and Analysis of Data on Planting Garlic Seedlings", please click on the PPT tab of "Representation and Analysis of Data on Planting Garlic Seedlings".

"Planting Garlic Seedlings (2)" Data Representation and Analysis PPT:

"Planting Garlic Seedlings (2)" Data Representation and Analysis PPT Part One: Learning Objectives 1. Experience the process of processing experimental data and understand the characteristics of line statistical charts. 2. Through our independent exploration and cooperative communication, we experience the collection, organization and description of data...

"Planting Garlic Seedlings (1)" Data Representation and Analysis PPT (Lesson 2):

"Planting Garlic Seedlings (1)" Data Representation and Analysis PPT (Lesson 2) Part One: Learning Objectives 1. Through the activities of processing experimental data, realize the necessity of one graph in a statistical chart to represent multiple units. 2. Understand what the data on the pictographic chart represents..

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Update Time: 2024-06-27

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

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