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Authoritative PPT Summary
Compilation and presentation of data in "Little Shoe Store" PPT download
Part One: Learning Objectives
1. Through review and sorting, you can experience the process of collecting, sorting, describing and analyzing data again, and learn to use statistical tables or charts to express the results of data sorting.
2. Be able to ask and answer simple questions based on the data in statistical tables, and at the same time be able to conduct simple analysis and make reasonable suggestions.
3. In the process of organizing data, develop a good habit of being careful and careful.
[Key Points] Present the results of organized data in your own way and be able to perform simple analysis.
[Difficulty] Conduct simple and reasonable analysis and speculation based on statistical data.
Little Shoe Store PPT, Part 2: Introduction of New Knowledge
The students in the naughty class want to simulate opening a shoe store, and they need to investigate in order to "replenish goods".
Some shoes have been sold out, which is not enough, and some shoes have not been sold at all. What is going on?
During the purchase, the same quantity of shoes from sizes 32 to 40 was purchased. As a result, all the shoes in sizes 34 and 35 were sold out. This was not enough. However, one pair of shoes in sizes 39 and 40 was not sold. Why?
Tell me, how can I investigate?
Survey method analysis
Because the shoes worn by everyone have different shoe sizes, you can check the shoe sizes of your classmates. If the shoe size is larger, put more in it, and if the shoe size is smaller, put less. And because boys and girls are different, boys and girls can be investigated separately.
You can investigate the shoe sizes of your classmates and get more if you have more.
investigative methods
Method 1: Raising hands.
Each person can only choose one shoe size. Whenever a shoe size is mentioned, the students who are suitable for this shoe size will raise their hands respectively, boys and girls, and then record them.
Method 2: Asking method.
Ask each student's shoe size one by one and record it, boys and girls record it separately.
Little Shoe Store PPT, Part 3: Classroom Exercises
1. Please also simulate opening a shoe store and conduct a "purchase" survey
(1) Tell me, how can you investigate?
By distributing questionnaires, the collected questionnaires will be collected for data statistics and analysis and a table will be drawn, and then the goods will be purchased according to the table.
(2) Work with your peers to investigate the shoe sizes of classmates, organize the findings and present them.
(3) Tell me, what did you find? What are your thoughts on “restocking” shoes stores?
Tell it for yourself, the answer is not unique.
2. Class three (2) elected to build their favorite animal on the farm. The election record is as shown below. (× represents 1 vote)
(1) Which animal does most people like the most?
12 votes>8 votes>6 votes>2 votes Answer: Most people like ponies.
(2) How many people voted in total?
8+6+2+12=28 (people) Answer: A total of 28 people voted.
(3) Which of the following groups is exactly the same as the data represented in the above figure?
Group ① 5+7+2+10=24 (votes) Group ② 7+6+2+10=25 (votes)
Group ③ 8+6+2+12=28 (votes) Group ④ 7+5+2+10=24 (votes)
Group ③ is exactly the same as the data shown in the figure above.
Little Shoe Shop PPT, Part 4: Class Summary
To classify and sort the collected data, you can use lists, draw the word "正", draw circles, write numbers, write check marks, etc. to express the results of classification and sorting, and conduct data analysis on the sorted results.
Little Shoe Shop PPT, Part 5: Classwork
1. The following is a survey of the favorite fruits of some students in the third grade (2) class. (× represents 1 vote)
(1) Which fruit do most people like the most?
Most people like grapes.
(2) How many people voted in total?
6+4+5+3=18 (people)
Answer: A total of 18 people voted.
Please analyze based on the data in the table.
(1) The number of people who choose group ( ) is the largest, and the number of people who choose group ( ) is the smallest.
20 people>13 people>12 people>9 people>8 people>7 people
(2) There are ( ) people who choose the badminton group.
Keywords: Beijing Normal University version third grade mathematics PPT courseware free download, Little Shoe Store PPT download, data organization and presentation PPT download, .PPT format;
For more information about the PPT courseware "Data Collation and Representation Little Shoe Shop", please click the Data Collation and Representation PPT Little Shoe Shop PPT tab.
Compilation and presentation of data in "Little Shoe Store" PPT:
"Little Shoe Store" data arrangement and presentation PPT Part 1: Scenario introduction Students, have you ever gone to a shoe store to buy shoes? Today, the students in the naughty class wanted to simulate opening a shoe store. They were going to send several students to purchase goods, but they encountered a problem...