"Understanding of Cylinders and Cones" PPT courseware of cylinders and cones

Description

"Understanding of Cylinders and Cones" PPT courseware of cylinders and cones

Ask the students to take out the cylinders they have prepared, touch them, look at them, compare them, and tell them what they found.

Communicate your findings with your classmates.

Observe, think and discuss carefully:

①What are the shapes on the upper and lower bases of the cylinder? What does their size matter?

② Touch the side of the cylinder with your hand. What do you find?

③How many heights does the cylinder have? Use a ruler to measure the height of the cylinder. What do you find?

Summarize:

The upper and lower surfaces of the cylinder are called the base of the cylinder, and the two bases are exactly the same;

The curved surface surrounding the cylinder is called the side of the cylinder; after unfolding, it is a rectangle (square), the length is the circumference of the base of the cylinder, and the width is the height of the cylinder.

The distance between the two bases of a cylinder is called the height of the cylinder, and there are countless heights.

Fill it out

(1) There are two ( ) circles on the top and bottom of the cylinder, and a ( ) shape on the bottom of the cone.

(2) The cylinder has a ( ) surface that is curved, and the side of the cone is a ( ) surface.

(3) The distance between the two bases of a cylinder is called the cylinder ( ), and a cylinder has ( ) heights.

(4) The distance from ( ) to ( ) of the cone is the height of the cone, and a cone has ( ) heights.

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"Understanding of Cylinders and Cones" Cylinders and Cones PPT Courseware 3:

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"Understanding of Cylinders and Cones" Cylinders and Cones PPT Courseware 2:

"Understanding of Cylinders and Cones" Cylinder and Cone PPT Courseware 2 The upper and lower surfaces of the cylinder are called the cylinder ( ), the curved surface surrounding the cylinder is called the cylinder ( ), and the distance between the two bottom surfaces of the cylinder is called the cylinder ( ) ). Tell me which of the following objects have shapes...

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Update Time: 2024-11-24

This template belongs to Mathematics courseware Jiangsu Education Edition Sixth Grade Mathematics Volume 2 industry PPT template

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