"Fan-Shaped Understanding" Circle PPT

Description

"Fan-Shaped Understanding" Circle PPT

Part One: Exciting Introduction

What do the shapes of these objects have in common?

They are all part of a round surface, similar to the shape of a fan.

Sector-shaped understanding PPT, the second part of the content: knowledge explanation

Understand the fan shape

The part of the circle between points A and B is called an arc, pronounced "arc AB".

The figure enclosed by an arc and two radii passing through both ends of the arc is called a sector.

The angle whose vertex is at the center of the circle is called the central angle.

Comparison of two sectors with the same radius

The fan shape with the larger central angle is larger.

Comparison of two sectors with the same central angle

The sector with the larger radius is larger.

Fan-shaped understanding PPT, the third part: practice and consolidation

1. Point out the sector shape in the following objects.

2. Are the shapes enclosed by the solid lines in the following figures a fan shape?

The figure enclosed by an arc and two radii passing through both ends of the arc is called a sector.

Sector-shaped understanding PPT, the fourth part: knowledge summary

The curve that makes up the sector is called an arc, and the angle subtended by the arc is called the central angle.

The figure enclosed by an arc and two radii passing through both ends of the arc is called a sector.

Fan-shaped understanding PPT, the fifth part: summary of gains

Classmates, what knowledge have you learned in this class?

Keywords: Free download of PPT courseware for sixth grade mathematics from the People's Education Press, PPT download on understanding of sectors, download of circle PPT, .PPT format;

For more information about the "Understanding of Circular Sector" PPT courseware, please click the "Understanding of Circular PPT Sector PPT" tab.

"Understanding of Fan Shape" Circle and Fan Shape Flash Animation Courseware:

"Understanding of Fan Shapes" Flash Animation Courseware of Circles and Fan Shapes This courseware belongs to the teaching materials of the first unit of the sixth grade mathematics volume of Hebei Education Edition. The flash animation courseware of circles and fan shapes is the understanding of fan shapes. The content is vivid and vivid. Please download it! Keywords: Circle and sector teaching courseware, fan...

"Understanding of Fan Shape" Circle and Fan Shape PPT Courseware:

"Understanding of Fan Shape" Circle and Fan Shape PPT Courseware Teaching Objectives 1. Experience the process of preliminary understanding of fan shapes during activities such as observation, discussion, and judgment. 2. Know the fan shape, have a preliminary understanding of the characteristics of the fan shape, and be able to draw the fan shape in the circle. 3. Understand the relationship between sectors and circles,...

"Understanding of Fan Shape" Circle PPT Courseware 2:

"Understanding of Sector" Circle PPT Courseware 2 Definition of Sector: A figure surrounded by a radius of ( ) and ( ) is called a sector. Explore: What factors are related to the size of the sector. 1. The fan-shaped radii of the shaded parts above are equal but the central angles are different. What are their areas?

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Update Time: 2024-11-23

This template belongs to Mathematics courseware People's Education Press Sixth Grade Mathematics Volume 1 industry PPT template

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