"Expand and Fold" Cuboid PPT Courseware 2

Description

"Expand and Fold" Cuboid PPT Courseware 2

teaching objectives

1. Able to accurately grasp the unfolding and folding of the 6 surfaces of cuboids and cubes.

2. Combined with the specific unfolding and folding scenarios of cuboids and cubes, experience the process of exploring the relative positions of the six faces of cuboids and cubes.

3. Be able to recognize cuboids and cubes, and have preliminary three-dimensional space imagination ability. Guide everyone to love life and pay attention to everything around them.

Cut the surface of a cube along some edges and develop it into a plane figure. What plane figures can be obtained? Please communicate with your deskmates.

1. The picture below is an expanded view of a cube. Please tell us what numbers are opposite to faces No. 1, No. 2, and No. 3?

2. The following is an expanded view of a cuboid. Find the two opposite faces and mark them respectively.

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For more information about the "Expand and Collapse Cuboid" PPT courseware, please click the Expand and Collapse ppt Cuboid ppt tab.

"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: 2024-10-04

This template belongs to Mathematics courseware Beijing Normal University fifth grade mathematics volume 2 industry PPT template

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