"Happy Football" PPT Courseware 3

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"Happy Football" PPT Courseware 3

The meaning of scale

Football field: 95 meters long and 60 meters wide

9.5 meters = 9500 centimeters

60 meters = 6000 centimeters

9.5:9500=1:1000

6:6000=1:1000

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

Distance on the map: actual distance = scale bar

Or distance on the picture/actual distance=scale bar

A scale is a ratio without a unit of measurement.

Know the different scales

numerical scale

1:1000 or 1/1000

The scale is usually written as the ratio of the preceding term to 1.

line segment scale

Meaning: The distance on the picture is 1 centimeter, which means the actual distance is 10 meters.

10 meters = 1000 centimeters

Note: When converting a line segment scale into a numerical scale, the preceding and succeeding terms must be converted into units of the same level.

Consolidate application

1. Tell the meaning of the scale below

2. Think about it and fill it in

Distance on the map Actual distance Actual distance

2.4 cm 9.6 km 1:400000

1.8 cm 36 meters 1:2000

1.2 centimeters 60 kilometers 1:5000000

Dispute right from wrong with piercing eyes

1. A scale is a ruler.

2. The scale bars are all smaller than 1.

3. The numerical scale is 1:60.

4. For a picture, 1 centimeter on the picture represents the actual 1 centimeter. The scale of this picture is 1:1.

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"Happy Football" PPT courseware 2:

"Happy Football" PPT Courseware 2 Learning Objectives 1. Understand the scale and be able to find the scale of a picture based on its meaning. 2. Can calculate the distance on the map and the actual distance. 3. Understand the similarity of graphics and cultivate the concept of space. 4. Cultivate problem awareness and reconciliation based on actual conditions.

"Happy Football" PPT courseware:

"Happy Football" PPT courseware teaching objectives 1. Understand the scale and be able to find the scale of a picture based on the meaning of the scale. 2. Can calculate the distance on the map and the actual distance. 3. Understand the similarity of graphics and cultivate the concept of space. 4. Cultivate problem awareness and solution based on reality..

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Update Time: 2024-11-19

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

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