"Expand and Fold" rich graphic world PPT courseware

Category	Format	Size
Beijing Normal University seventh grade first volume mathematics	pptx	6 MB

"Expand and Fold" rich graphic world PPT courseware

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Upload Time: 2024-11-22

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Description

"Expand and Fold" rich graphic world PPT courseware

Cut the surface of a cube along some edges and develop it into a plane figure. What figures can you get?

summary:

(1) The expanded view of a cube is a planar figure;

(2) The expansion diagram of the cube differs due to different expansion methods, and there are 11 types in total.

Do all three-dimensional figures become flat figures when expanded?

summary

1. Three-dimensional graphics are composed of plane graphics.

2. Able to judge three-dimensional figures based on expanded diagrams.

3. Be able to judge whether a flat figure is an expanded view of a three-dimensional figure.

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For more information about the PPT courseware "Expand and Fold the Rich Graphic World", please click the Expand and Fold ppt Rich Graphic World ppt tag.

"Expand and Fold" PPT:

"Expand and Fold" PPT Part One: Analysis of Examples Example 3. Cut a rectangular paper box and spread it into a flat surface. This was cut by me. What I cut is like this. The above figures are called flat expansion diagrams of a cuboid. Observe the expansion diagrams you cut and tell me...

"Expand and Fold" Rich Graphic World PPT Courseware 4:

"Expand and Fold" Rich Graphic World PPT Courseware 4 Knowledge Preparation 1. Definition In a prism, the intersection of any two adjacent faces is called an edge. In a prism, the intersection line of two adjacent side faces is called a lateral edge. 2. Types of prisms: triangular prism, four prism, pentagonal prism..

"Expand and Fold" Rich Graphic World PPT Courseware 3:

"Expand and Fold" Rich Graphic World PPT Courseware 3 Think about it: The following graphics are expanded diagrams of some common geometries. Can you correctly name the names of these geometries? Question 1. Since they are all cubes, why are the plane shapes cut out different?...

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University seventh grade first volume mathematics industry PPT template

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"Expand and Fold" rich graphic world PPT courseware