"Project Learning: Making Three-dimensional Models" Projection and View PPT

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"Project Learning: Making Three-dimensional Models" Projection and View PPT

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"Project Learning: Making Three-dimensional Models" Projection and View PPT

The picture below is a bearing of a certain machine and its three-dimensional view. Do you know how the master worker uses the three-dimensional view of the bearing to manufacture this kind of bearing?

1. Cut it

Using cardboard as the main material, make the three-dimensional models represented by the following two sets of three views.

2. Carve a moment

According to the two sets of three views given below, make the corresponding physical model using potatoes (or radishes).

3. Get a discount

Each set of plane figures below is composed of four equilateral triangles.

(1) Which of them can be folded into a triangular pyramid? Trace the above figures on paper, cut them out, fold them into a pile, and verify your answer.

(2) Draw three views of the triangular pyramid that can be folded into the above figure, and point out how the three views reflect "the length is aligned, the height is flush, and the width is equal".

(3) If the side length of the small triangle in the picture above is 1, what is the surface area of ​​the corresponding triangular pyramid?

4. Do it

The graphic below consists of a sector and a circle.

(1) Trace the above figure on paper, cut it out and form it into a cone.

(2) Draw three views of the cone surrounded by the above figures.

(3) If the radius of the sector in the figure above is 13 and the radius of the circle is 5, what is the volume of the corresponding cone?

5.Write

Three-view and expanded views are planar graphics related to three-dimensional graphics. Understand the relevant production practices and combine specific examples to write a short article introducing the application of three-view and expanded views.

Keywords: Free download of PPT courseware for mathematics in the second volume of the ninth grade of the People's Education Press, download of project learning three-dimensional model PPT, download of projection and view PPT, .PPT format;

For more information about the PPT courseware "Projection and View Project Learning to Make Three-dimensional Models", please click the Projection and View PPT Project Learning to Make Three-dimensional Models PPT tag.

"Project Learning: Making Three-dimensional Models" Projection and View PPT Premium Courseware:

"Project Learning to Make Three-dimensional Models" Projection and View PPT Premium Courseware Part One Content: Learning Objectives 1. Further deepen the understanding of projection and view knowledge in practical hands-on practice. 2. Understand the role of using three views to represent three-dimensional figures, and further experience three-dimensional figures ..

"Project Learning: Making Three-dimensional Models" Projection and View PPT Free Download:

"Project Learning to Make Three-dimensional Models" Free Download of Projection and View PPT Part One: Knowledge Points 1. Make a three-dimensional model from three views 2. Make a three-dimensional model from expanded views... ... Project Learning to Make Three-dimensional Models PPT , Part Two: New...

"Project Learning: Making Three-dimensional Models" Projection and View PPT Free Courseware:

"Project Learning: Making Three-dimensional Models" Projection and View PPT Free Courseware Part One: Introduction of New Knowledge In order to study chemical substances, scientists create three-dimensional models of material molecules. The Bird's Nest, the main stadium of the 2008 Beijing Olympic Games, the National Aquatics Center Water Cube..

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Update Time: 2024-11-03

This template belongs to Mathematics courseware People's Education Press Ninth Grade Mathematics Volume 2 industry PPT template

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"Project Learning: Making Three-dimensional Models" Projection and View PPT
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