"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 3

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Mathematics Volume 2 for Grade 6 of Beijing Normal University	pptx	6 MB

"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 3

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Upload Time: 2024-10-03

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"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 3

What is the minimum area of cardboard needed to make a cylindrical carton? (Interface is not included)

This is the required surface area of the cylinder.

The base area of a cylinder is easy to find, but how to find the side area of the cylinder?

(1) Side area: 2 × 3.14 × 10 × 30 = 1884 (square centimeters)

(2) Base area: 3.14 ×102 =314 (square centimeters)

(3) Surface area: 1884+314 × 2=2512 (square centimeters)

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?

The bucket has no lid, which means it has only one bottom.

(1) Side area of the bucket: 3.14 × 4 × 5 = 62.8 (square decimeters)

(2) The bottom area of the bucket: 3.14 × (4÷2) 2=12.56 (square decimeters)

(3) Iron sheet is required: 62.8+12.56=75.36 (square decimeters)

Before solving actual problems, you must first analyze them to see which part of the area they are looking for, and then choose a solution method.

Keywords: The surface area of a cylinder courseware PPT, download the Beijing Normal University version of sixth grade mathematics volume 2 PPT courseware, download the sixth grade mathematics slide courseware, download the surface area of a cylinder PPT courseware, .PPT format

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: 2024-10-03

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"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 3