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Qingdao Edition Fourth Grade Mathematics Volume 1	pptx	6 MB

"Lines in Traffic" PPT Courseware 3

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Upload Time: 2024-09-01

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Description

"Lines in Traffic" PPT Courseware 3

teaching objectives:

Combined with the specific situation, understand "the shortest line segment among all connections between two points"

Know the distance between two points and the distance from a point to a straight line

In the process of solving problems, experience the close connection between mathematics and daily production

Cultivate the ability of observation, phenomenon and hands-on operation

Why build a tunnel?

The shortest line segment between two points

what have you found?

Draw several different line segments from point A outside the straight line to this straight line and measure them.

What can you find?

The vertical line segment is the shortest

A vertical line drawn from a point outside a straight line to the straight line

The segment is the shortest, and its length is called the distance from the point to the straight line

(1) How can we change the course to make the voyage from the starting point to the destination the shortest? Please draw it on the picture.

(2) A canal must be built to introduce river water into the village. How to repair the shortest distance? Please draw it.

(3) Xiaoxin starts from point A and passes through point B to swim in the swimming pool. What is the shortest route? Please draw it.

Keywords: Line teaching courseware in transportation, Qingdao edition fourth grade mathematics volume PPT courseware download, fourth grade mathematics slide courseware download, Line in transportation PPT courseware download, .PPT format;

For more information about the "Lines in Traffic" PPT courseware, please click on the "Lines in Traffic" ppt tab.

"Lines in Traffic" PPT Courseware 2:

"Lines in Traffic" PPT Courseware 2 Teaching Objectives: 1. Perceive the phenomena of verticality and parallelism in life 2. Preliminarily understand that verticality and parallelism are two positional relationships between two straight lines in the same plane, and initially understand the relationship between vertical lines and Important and difficult points in teaching parallel lines: 1. Line segments, projections...

"Lines in Traffic" PPT courseware:

"Lines in Traffic" PPT courseware 1. Situation introduction From the picture, what mathematical information do you know? What questions can you ask based on this information? 2. Cooperation and exploration Why build tunnels? If there were no tunnels, it would take a long way to get to the other side of the mountain...

File Info

Update Time: 2024-09-01

This template belongs to Mathematics courseware Qingdao Edition Fourth Grade Mathematics Volume 1 industry PPT template

"Lines in Traffic" PPT Courseware 3 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!

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Line in traffic ppt

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"Lines in Traffic" PPT Courseware 3