"Lively Folk Festival" PPT courseware 5

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"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. Use the "fold first and then cut" method to make a symmetrical pattern you like

2. Activity time: 3 minutes

3. Pay attention to safety when you see it!

3. Independent practice

2. Which of the following figures are axisymmetric figures?

4. Which folded piece of paper are the figures below cut out from? One after another.

The beauty of symmetry can be seen everywhere in life. Have you seen the following symmetry phenomena?

Self-evaluation

Through the study of this lesson, I realized what symmetry is, felt the beauty of symmetry from pictures, and learned to judge axially symmetrical figures. I will use the knowledge I have learned to discover and create beauty in life.

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For more information about the "Lively Folk Festival" PPT courseware, please click on the "Lively Folk Festival ppt" tab.

"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 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...

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Update Time: 2024-10-05

This template belongs to Mathematics courseware Qingdao Edition Third Grade Mathematics Volume 2 industry PPT template

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