Western Normal University Edition First Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 1
People's Education Press Second Grade Mathematics Volume 1
People's Education Press Third Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 1
Hebei Education Edition Third Grade Mathematics Volume 1
Beijing Normal University Edition Fifth Grade Mathematics Volume 1
Beijing Normal University Edition Eighth Grade Mathematics Volume 1
People's Education High School Mathematics Edition B Compulsory Course 2
Hebei Education Edition Seventh Grade Mathematics Volume 2
Hebei Education Edition Fourth Grade Mathematics Volume 2
Beijing Normal University Edition Fifth Grade Mathematics Volume 2
People's Education Press First Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 2
Category | Format | Size |
---|---|---|
Qingdao Edition Third Grade Mathematics Volume 2 | pptx | 6 MB |
Description
"Lively Folk Festival" PPT courseware 3
learning target
(1) Teaching knowledge points
Understand axially symmetrical figures in specific situations; learn to determine the symmetry axis of axially symmetrical figures through practical operations, and be able to use one half of a given simple axially symmetrical figure to draw the other half on graph paper.
(2) Ability training requirements
In practical activities such as operation, observation, and drawing, students learn graphic knowledge and develop spatial concepts.
(3) Emotional and value requirements
Exercise students' hands-on ability and consolidate their understanding of axisymmetric figures.
Fold it, cut it
Since symmetrical shapes are so beautiful, do you want to make a symmetrical shape yourself? Please take out colored paper, scissors and other tools. However, before cutting, think about it: What kind of symmetrical shape do I want to cut? How to cut it to make it symmetrical?
How do you create symmetrical shapes?
I first draw a symmetrical shape and then cut it out.
I folded it in half first and then painted it.
I fold the paper in half and cut it directly without drawing. As long as I fold it in half first, I can cut out a symmetrical figure in any way...
Class summary
If you judge symmetrical figures, folding them in half is the key.
The two sides can be completely overlapped, and the symmetry of the figure is undoubtedly apparent.
If you draw the other half of the graph, see the corresponding method of the axis points.
Homework
After class, collect some leaves and see which ones are symmetrical and which ones are asymmetrical. Use these leaves to make a painting of your choice.
Keywords: Lively Folk Festival teaching courseware, Qingdao version third-grade mathematics volume PPT courseware download, third-grade mathematics slide courseware download, Lively Folk Festival PPT courseware download, .PPT format;
For more information about the "Lively Folk Festival" PPT courseware, please click on the "Lively Folk Festival ppt" tab.
"Lively Folk Festival" PPT courseware 5:
"Lively Folk Festival" PPT Courseware 5 What do these three pictures have in common? The upper and lower sides of a goldfish are the same. The left and right sides of the kite are the same. The left and right sides of the face are the same. These objects are all symmetrical. Do it 1. Fold it in half and then cut it..
"Lively Folk Festival" PPT courseware 4:
"Lively Folk Festival" PPT Courseware 4. Now that you have finished appreciating the pictures, what impression did these pictures leave on you? Like this, the phenomenon that the two sides of a figure can completely overlap after being folded in half is called symmetry. After folding in half like this, the figure with both sides completely overlapping is called an axis.
"Lively Folk Festival" PPT courseware 2:
"Lively Folk Festival" PPT Courseware 2 What do the shapes of these objects have in common? 1. Think about how to verify. 2. Hands-on verification. 3. What conclusions did you get through the operation? Think independently first, and use the learning tools in bag No. 1 to verify the operation, and then...
File Info
Update Time: 2024-10-15
This template belongs to Mathematics courseware Qingdao Edition Third Grade Mathematics Volume 2 industry PPT template
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