"Application of Scale" Scale PPT

"Application of Scale" Scale PPT

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"Application of Scale" Scale PPT

Part One: Review the past and learn the new

Can anyone tell me what a scale is?

The ratio of the distance on the picture to the actual distance in a picture is called the scale of the picture.

Distance on the map/actual distance = scale

Application of scale PPT, part 2: exploration of new knowledge

Let’s talk about the specific meaning of each scale below.

(1) Scale 1:4500000

Indicates that a distance of 1 cm on the map represents an actual distance of 4,500,000 cm.

(2) Scale 80:1

It means that the distance on the picture is 80 centimeters, which means the actual distance is 1 centimeter.

(3) Scale

Indicates that a distance of 1 centimeter on the map represents an actual distance of 50 kilometers.

Think about it: What calculation methods do you have, talk to your peers.

Application of scale PPT, Part 3: Classroom exercises

On a map with a scale of 1:5000000, the distance from Shanghai to Hangzhou is measured to be 4.3 centimeters. How many kilometers is the actual distance from Shanghai to Hangzhou?

Solution: Assume the actual distance is x cm.

4.3: x = 1:5000000

x=21500000

21500000cm=215km

Answer: The actual distance from Shanghai to Hangzhou is 215km.

Application of scale PPT, Part 4 content: Class summary

How to find actual distance using scale:

Distance on the map/actual distance = scale

Actual distance = distance on the map ÷ scale

Distance on the picture ÷ actual distance = scale bar

Keywords: Free download of PPT courseware for mathematics in the second volume of the sixth grade of the People's Education Press, PPT download of application of scale, download of proportion PPT, .PPT format;

For more information about the PPT courseware "Application of Scale and Scale Rules", please click on the Application of Scale PPT PPT tab.

"Application of Scale" Scale PPT Courseware 3:

"Application of Scale" Scale PPT Courseware 3 Teaching Objectives 1. Experience the process of observing the distribution diagram of zoo attractions and designing a tour route. 2. Be able to solve practical problems in life based on schematic diagrams and scales, and be able to explain the rationality of the design route. 3. In...

"Application of Scale" Scale PPT Courseware 2:

"Application of Scale" Scale PPT Courseware 2 Teaching Objectives 1. Combined with the schematic diagram of the Beijing to Zhengzhou railway line, go through the process of measuring the line length and estimating the actual distance according to the given scale. 2. Be able to use your own...

"Application of Scale" Scale PPT courseware:

"Application of Scale" Scale PPT Courseware Teaching Objectives 1. Combined with specific examples, go through the process of measuring the length of line segments on the map and calculating the actual distance according to the scale as required. 2. To further understand the scale, you will be able to measure the length and scale of the line segments on the schematic diagram..

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