| Category | Format | Size |
|---|---|---|
| Qingdao Edition Third Grade Mathematics Volume 2 | pptx | 6 MB |
"Lively Folk Festival" PPT courseware 4
Description
"Lively Folk Festival" PPT courseware 4
After admiring 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, a figure with both sides completely overlapping is called an axially symmetrical figure.
Small scale chopper
Draw the axis of symmetry of the following figures: (note that some figures may have more than one).
Fiery eyes and golden eyes:
1. Ask students to find the axially symmetrical figures in the following Chinese characters and numbers.
①Guilin’s landscapes are the best in the world
②0 1 2 3 4 5 6 7 8 9
Summary of this lesson
Understand axially symmetrical figures in life and be able to draw the symmetry axis of an axially symmetrical figure.
summary:
What have you gained from studying this class?
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;
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"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 3:
"Lively Folk Festival" PPT Courseware 3 Learning Objectives (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 the given simple instructions on graph paper Draw one half of the axially symmetrical figure and draw the other..
"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: 2024-06-29
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