| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Appreciation and Design" Axial Symmetry and Translation PPT Download
Description
"Appreciation and Design" Axial Symmetry and Translation PPT Download
Part One: Learning Objectives
1. Combine the activities of appreciating patterns in life from the perspective of axial symmetry and translation, and feel the beauty and value of graphic movement.
2. In the process of designing simple patterns on graph paper using axial symmetry or translation, further understand the characteristics of graphic movement and understand the method of pattern design through graphic movement.
focus
Able to design simple patterns on graph paper using axial symmetry or translation.
difficulty
Understand the characteristics of graphic movement and understand the method of pattern design through graphic movement.
Appreciation and design PPT, part 2: interpretation of examples
Through axial symmetry or translation, wonderful patterns can be designed.
How did you get the patterns above? Share your ideas with peers.
Figure ① is obtained through axial symmetry.
Figure ② is obtained through translation.
Figure ③ is obtained through translation and axial symmetry.
Method 1: According to the basic shape, translate 6 grids to the right in sequence. After covering the horizontal rows, follow the method of the first row and then complete the design of the second row.
Method 2: According to the basic shape, translate 6 squares to the right in turn. After covering the horizontal rows, then move the entire first row downward by 6 squares to complete the design.
Method 3: Based on the basic graphics, first move the two completed basic graphics down 6 grids to cover the left side, and then move the entire left side 12 grids to the right to complete the design.
Typical examples
As shown in the picture, the shaded part is a right-angled figure composed of 5 small squares. Please use two methods to shade the 2 small squares in the square in the picture below to make them an axially symmetrical figure.
Appreciation and design PPT, part three: summary
How to use axial symmetry to design patterns
(1) Select the basic pattern;
(2) Draw the axis of symmetry;
(3) Draw the symmetrical graphics of the basic pattern.
Using the method of translating design patterns
(1) Select the basic pattern;
(2) Determine the number of translation grids (or distance) and direction;
(3) Translate according to the number of translation grids (or distance) and direction.
Appreciating and designing PPT, part 4: quiz in class
Observe the pictures below and talk about the methods used to design the patterns.
2. Talk about how you got each of the patterns below, and share your thoughts with your partner.
Appreciating and designing PPT, Part 5: Homework
1. Select from the after-class exercises;
2. Complete the exercises in this lesson in the exercise book.
Keywords: Beijing Normal University edition fifth grade mathematics volume PPT courseware free download, appreciation and design PPT download, axial symmetry and translation PPT download, .PPT format;
For more information about the PPT courseware "Appreciating and Designing Axial Symmetry and Translation", please click the "Appreciating and Designing PPT Axial Symmetry and Translation PPT" tab.
"Appreciation and Design" circle PPT teaching courseware:
"Appreciation and Design" Circle PPT Teaching Courseware Part One: Knowledge Explanation Tell me, how are the above patterns formed? First draw a circle, then draw its two perpendicular diameters. Draw four semicircles using the radius of this circle as the diameter of the new circle. wind..
"Appreciation and Design" circle PPT download:
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"Appreciation and Design" Circle PPT:
"Appreciation and Design" Circle PPT Part One: Preparation before class Learning focus: Appreciate the beautiful patterns composed of basic graphics, and be able to design patterns using basic graphics and the mathematical methods you have learned. Learning difficulties: Be able to use basic graphics and learned mathematical methods to design patterns. ..
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Update Time: 2024-07-06
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