"Surface Area of ​​a Cuboid" Cuboid PPT Courseware

Description

"Surface Area of ​​a Cuboid" Cuboid PPT Courseware

teaching objectives

1. During operation and observation activities, explore and understand the surface area of ​​cuboids and cubes and their calculation methods, and be able to calculate them correctly.

2. Enrich the understanding of real space concepts and develop preliminary space concepts.

3. Solve some simple problems in life based on specific situations.

The sum of the surface areas of an object is called the surface area of ​​the object.

If the surface of a cube wooden box with an edge length of 0.8 meters is painted, what is the total area of ​​the painted part?

0.8×0.8×6=3.84 square meters

Answer: The total area of ​​the painted part is 3.84 square meters

practice

1. Find the surface area of ​​the following figures. (Unit: cm)

(10×4+8×4+10×8)×2=304 square centimeters

7×7×7=343 square centimeters

2. A rectangular drink box (as shown in the picture) has a length, width, and height of 6.5 cm, 3.8 cm, and 10.5 cm respectively. If a circle of trademark paper is affixed around it (no stickers on the top and bottom), what is the minimum area of ​​this trademark paper?

(10.5×6.5+10.5×3.8)×2=217.6 square centimeters

Answer: The area of ​​this trademark paper is at least 217.6 square centimeters.

Use cardboard to make the cuboid below. How much cardboard should be used?

How much cardboard should be used and whose area are you looking for?

A rectangular iron sink without a cover is 12 decimeters long, 5 decimeters wide and 2 decimeters high. What is the minimum area of ​​iron needed to make this sink?

Keywords: Surface area of ​​cuboid courseware PPT, Beijing Normal University edition fifth grade mathematics volume PPT courseware download, fifth grade mathematics slide courseware download, surface area of ​​cuboid PPT courseware download, .PPT format

For more information about the "Surface Area of ​​a Cuboid Cuboid" PPT courseware, please click the "Surface Area of ​​a Cuboid Cuboid ppt ppt" tag.

"Surface Area of ​​a Cuboid" Cuboid PPT Courseware 2:

"Surface Area of ​​Cuboids" Cuboid PPT Courseware 3 Teaching Objectives 1. Knowledge and skills: During operation and observation activities, explore and understand the surface areas of cuboids and cubes and their calculation methods, and be able to calculate them correctly. 2. Process and methods: Enrich the concept of real space..

File Info

Update Time: 2024-11-23

This template belongs to Mathematics courseware Beijing Normal University fifth grade mathematics volume 2 industry PPT template

Preview