"Volume Unit" Cuboid (2) PPT teaching courseware

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"Volume Unit" Cuboid (2) PPT teaching courseware

Part One: Learning Objectives

1. Understand that the units of volume include cubic centimeters, cubic decimeters, and cubic meters.

2. Be able to understand the size of volume units based on common sense in life and existing experience, and have the correct methods and ideas to solve the volume units of objects.

3. Stimulate students' thirst for knowledge and allow students to apply mathematical knowledge to solve practical problems in activities.

[Key Points] The practical ability to establish volume units, and the correct methods and ideas to solve the volume and volume problems of objects. and be able to calculate correctly.

【Difficulty】Have the correct methods and ideas to solve the volume and volume problems of objects, and apply mathematical knowledge to solve practical problems in activities.

Volume unit PPT, part 2 content: classroom introduction

What are the common units of length? What are the common units of area?

Fill in the unit.

(1) Xiao Ming’s height is 150 ( )

(2) The classroom area is 40 ( )

(3) The water depth of the swimming pool 2 ( )

(4) The square area is 250 ( )

Volume unit PPT, part three: exploration of new knowledge

Tell me, what are the common units of volume?

A cube with an edge length of 1 cm has a volume of 1 cubic centimeter, which is recorded as 1 centimeter 3 (cm3);

A cube with an edge length of 1 decimeter has a volume of 1 cubic decimeter, which is recorded as 1 decimeter3 (dm3);

A cube with an edge length of 1 meter has a volume of 1 cubic meter, which is recorded as 1 meter 3 (m3).

Commonly used volume units are: centimeter³, decimeter³, meter³

Think about it and fill it out.

(1) Commonly used volume units are ___________, ___________, and ___________.

(2) A cube with an edge length of 1 cm has a volume of ___________;

A cube with an edge length of 1 decimeter has a volume of ___________;

The volume of a cube with edge length 1 meter is ___________.

Volume Unit PPT, Part 4: Classroom Exercises

1. Fill in the blanks.

1. Among the three objects: refrigerator, microwave oven and pencil case, ( ) occupies the largest space, ( ) occupies the smallest space, and ( ) has the largest volume.

2. The volume of a cube with an edge length of 1 cm is ( ).

3. The volume of a piece of rubber is about 3 ( ), the volume of a shipping container is about 40 ( ), the classroom area is 80 ( ), and the height of the flagpole is 15 ( ).

2. Fill in the appropriate volume unit.

3. The objects below are all made of small cubes with an edge length of 1 cm. What is their volume?

The volume of an object is determined by how many units of volume it contains.

4. Judgment.

1. Use small cubes of the same size to form a large cube. Use at least 4 such small cubes. ( )

2. A rectangle with equal length, width and height is a cube. ( )

3. After cutting a cuboid into two pieces, the surface area and volume remain unchanged. ( )

4. Only a cube with an edge length of 1 meter can have a volume of 1 cubic meter. ( )

5. A large cube with an edge length of 1 meter can be cut into 1,000 small cubes with an edge length of 1 decimeter. ( )

5. Xiaojun’s house has three cardboard boxes for storing items, stacked together, as shown in Figure 1. Xiaojun moves the carton and places it as shown in Figure 2. Has the size of the space occupied by the carton changed after moving? What about the floor space?

After moving, the size of the space occupied by the cartons has not changed, because they are still three small cubes, but the floor area has changed, because there are two small cubes in contact with the ground in Figure 1, and there are three in Figure 2.

Volume Unit PPT, Part 5: Class Summary

Common volume units are cubic centimeter, cubic decimeter, and cubic meter, which are recorded as cm3, dm3, and m3 respectively.

Volume unit PPT, Part 6 content: Classwork

1. Fill in the appropriate unit:

(1) The volume of a piece of chocolate is approximately 6 ( )

(2) The volume of an adult shoe box is approximately 6 ( )

(3) The volume of a piece of eraser is approximately 8 ( )

(4) The volume of a truck compartment is approximately 8 ( )

(5) The height of a chair is 60 ( )

(6) The area of ​​a single bed is approximately 2 ( )

2. Multiple choice questions.

(1) The volume of the pencil case is approximately 120 ( )

A. Cubic meters B. Cubic decimeters C. Cubic centimeters

(2) Class 5 (1) classroom occupies 42 spaces ( )

A. Cubic meters B. Cubic decimeters C. Cubic centimeters

(3) The volume of an object made up of 5 cubes with an edge length of 1 decimeter is 5 ( )

A. Decimeter B. Square decimeter C. Cubic decimeter

3. The length of a rectangular parallelepiped object is measured to be 20 cm, the width is 9 cm, and the height is 3 cm. Can you tell us which object around us this may be based on your own life experience?

4. The following figures are all made of cubes with a volume of 1 cm. Find their volumes respectively.

5. Investigate the volume of some objects, record it, and communicate with peers.

Keywords: Free download of Beijing Normal University Edition fifth grade mathematics PPT courseware for the second volume, volume unit PPT download, cuboid PPT download, .PPT format;

For more information about the PPT courseware "Volume Units of Cuboids", please click the PPT Volume Units of Cuboids tab.

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 2 industry PPT template

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