"Volume of a cuboid" Cuboid (2) PPT

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"Volume of a cuboid" Cuboid (2) PPT

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"Volume of a cuboid" Cuboid (2) PPT

Part One: Learning Objectives

1. Further master the calculation method of the volume of cuboid and cube. (emphasis)

2. Be able to use the volume formulas of cuboids and cubes to solve some simple practical problems. (difficulty)

Volume of cuboid PPT, part 2: exploring new knowledge

Knowledge points General formulas for the volume of cuboids and cubes

(1) First calculate the volumes of the following figures, then read them and think about them. (Unit: dm)

The area of ​​the shaded part is the area of ​​the base of each figure above, which is called the base area.

Volume of cuboid (cube) = base area × height

V=S×h=Sh

Knowledge refining

The volume of a cuboid (or cube) = base area × height. Use V to represent the volume of the cuboid (or cube), and use S and h to represent the base area and height of the cuboid (or cube) respectively. Then V = Sh.

Knowledge points Application of general formulas for cuboids and cubes

(2) Fill it out.

Knowledge refining

According to the volume of the cuboid (or cube) = base area × height, we can get the base area = the volume of the cuboid (or cube) ÷ height, and the height = the volume of the cuboid (or cube) ÷ base area.

Volume of cuboid PPT, Part 3: Consolidation exercises

1. A rectangular pool has a bottom length of 12dm and a width of 6dm. If we want to inject 2dm of water into this pool, how many liters of water will be needed? (Selected from textbook P43 T5)

12×6×2=144(dm³)=144(liter)

Answer: 144 liters of water are required.

2. The toothpaste box is 15cm long, 3cm wide and 3cm high. There is a carton, the dimensions of the inside are as shown in the figure (unit: cm). How many boxes of toothpaste can be placed in this carton? Talk to your peers and tell them what you think. (Selected from textbook P43 T6)

60÷15=4

30÷3=10

4×10×10=400 (box)

Answer: This carton can hold up to 400 boxes of toothpaste.

Volume of cuboid PPT, Part 4 content: Class summary

What knowledge have you learned in this class?

The volume of a cuboid (or cube) = base area × height, V = Sh.

Volume of cuboid PPT, Part 5: Homework

Assignment 1: Complete the exercises related to the textbook.

Assignment 2: Complete the corresponding exercises.

Keywords: Beijing Normal University edition fifth grade mathematics PPT courseware for volume 2 free download, volume of cuboid PPT download, cuboid PPT download, .PPT format;

For more information about the PPT courseware "Volume of a Cuboid and Cuboid", please click on the Volume of Cuboid PPT PPT tab.

"Volume of a cuboid" Cuboid (2) PPT download:

"Volume of a Cuboid" Cuboid (2) PPT Download Part One: Introduction of New Lesson Which of the two cuboids is larger? Which one is smaller? How do you compare their sizes? Compare their volumes. How to calculate their volume? Today we will learn about rectangular...

"Volume of a cuboid" PPT:

"Volume of a Cuboid" PPT Part One: Analysis of Examples Example 2. Work in groups, use 40 small cubes of 1 cubic centimeter to build different cuboids, and fill in the table below. This is what we put together. What is the difference between the volume of a cuboid and its length, width, and height...

"Volume of a Cuboid" Cuboid PPT Courseware 2:

"Volume of a Cuboid" Cuboid PPT Courseware 2 Teaching Objectives 1. Knowledge and skills: Explore and master the calculation methods of the volumes of cuboids and cubes, and be able to correctly calculate the volumes of cuboids and cubes. 2. Process and methods: In the process of observation, operation, and exploration,...

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Update Time: 2024-11-08

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