"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 6

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Western Normal University Edition Sixth Grade Mathematics Volume 2	pptx	6 MB

"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 6

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Upload Time: 2024-11-17

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"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 6

teaching objectives

1. Be able to flexibly use the calculation method of cylinder surface area to solve some simple problems in life according to specific situations, so that students can feel the close connection between mathematics and life.

2. Through activities such as imagination and operation, you can learn that the sides of a cylinder can be expanded into a rectangle, deepen your understanding of the characteristics of a cylinder, and develop spatial concepts.

3. Combining specific situations and hands-on operations, explore the calculation method of the side area of a cylinder, master the calculation methods of the side area and surface area of a cylinder, and be able to correctly calculate the side area and surface area of a cylinder.

Make a cylindrical iron bucket without a lid, the height is 5 decimeters. The bottom diameter is 4 decimeters. What is the minimum area of iron sheet required?

(1) Side area of bucket:

3.14 × 4 × 5 = 62.8 (square decimeters)

(2)The bottom area of the bucket:

3.14×(4÷2) 2=12.56(square decimeter)

(3) Iron sheet is required:

62.8+12.56=75.36(square decimeter)

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For more information about the "Surface Area of a Cylinder Cylinder and Cone" PPT courseware, please click the "Surface Area of a Cylinder ppt Cylinder and Cone ppt" tag.

"Surface Area of a Cylinder" PPT download:

"Surface Area of a Cylinder" PPT Download Part One: New Lesson Analysis A cylindrical iron bucket without a lid (as shown below). (1) How many square centimeters of iron sheet should be used to make this bucket? 3.143035=3297 (square centimeters) 3.14 (302)2=706.5..

"Surface Area of a Cylinder" PPT courseware:

"Surface Area of a Cylinder" PPT Courseware Part One: Collaborative Exploration There are countless heights of a cylinder, and the lengths of the heights are all equal. Cooperation and communication in a group of four people: ① What shape is there when the side of the cylinder is expanded along the height? ②Which does the length and width of the expanded figure correspond to that of the cylinder?

"Surface Area of a Cylinder" PPT:

"Surface Area of a Cylinder" PPT Part One Content: Teaching Objectives 1. Be able to flexibly use the calculation method of the surface area of a cylinder to solve some simple problems in life according to specific situations, so that students can feel the close connection between mathematics and life. 2. Through imagination and operation Waiting for life...

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Update Time: 2024-11-17

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"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 6