"Who grows fast" PPT courseware 2

Description

"Who grows fast" PPT courseware 2

learning target

1. Further understand statistical charts and bar charts, and master the methods of data collection and organization.

2. Able to raise and solve problems based on data in statistical charts.

Key points: How to make a bar graph

Difficulties Simple analysis of bar graphs.

It can be seen from the figure: ( ) produces the most model airplanes, ( ) produces the least model airplanes, and group 3 produces more model airplanes ( ) than group 1. … …

1. Situation introduction

What questions can you ask?

How is the height growth of the whole class?

2. Cooperation and exploration

How is the height growth of the whole class?

To solve this problem, statistics are needed.

Discussion: What data need to be collected during statistical activities? How can I obtain this data?

Requirements for group statistical activities

1. Measure the current height of each student.

2. Investigate each classmate’s height last year.

3. Calculate the number of centimeters each student’s height has increased.

3. Independent practice

1. Divide the class into 3 groups, measure the head circumference of each group, and then answer the questions.

(1) Tell me, how do you plan to record the measurement results?

First, measure in groups, and the group leader records the measurement results;

Then the whole class communicates and summarizes.

(2) Paint and fill.

2. The cold drink sales record of Aunt Wang’s cold drink shop in the second week of August is as follows.

(1) Apply a coat of paint.

(2) What information can you know from the picture?

There are more mineral water and ice cream sold, but less juice and yogurt.

(3) If you are Aunt Wang, how do you plan to purchase goods? Tell us your reasons.

Bring in more mineral water and ice cream. Because the weather is relatively hot in August, customers have greater demand for these two cold drinks.

3. Conduct a small survey on "mother's zodiac sign" among the whole class.

what have you found?

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For more information about the PPT courseware "Who Grows Faster", please click on the "Who Grows Faster" ppt tag.

"Who grows fast" PPT courseware:

"Who Grows Fast" PPT Courseware Teaching Objectives: Knowledge Objectives: 1. Experience a simple data collection and organization process, understand simple data collection methods such as survey measurement, and be able to use tables and bar charts to represent the results of data organization. Ability goal: 2. By analyzing data..

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Update Time: 2024-07-14

This template belongs to Mathematics courseware Qingdao Edition Third Grade Mathematics Volume 2 industry PPT template

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