| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Fifth Grade Mathematics Volume 2 | pptx | 6 MB |
"Application Problems" PPT
2024-07-01
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Description
"Application Problems" PPT
Part One: Analysis of Examples
Example 1. Uncle Li plans to dig a cellar that is 2 meters long, 1.6 meters wide and 1.5 meters deep. How many cubic meters of soil need to be dug out?
2×1.6×1.5=4.8 (cubic meters)
Answer: 4.8 cubic meters of soil need to be dug out.
In life, when measuring the volume of sand, soil, stones, etc., "cubic meters" are often referred to as "square meters".
Example 2: A certain village builds a 50-meter-long barrage. The cross-section of the barrage is a trapezoid, and the dimensions are as shown below (unit: meters). How many cubic meters of earth and stone are needed to build this barrage?
Cross-sectional area: (8+3)×4÷2=22 (cubic meters)
Volume of earth and rock: 22×50 = 1100 (square meter)
Answer: A total of 1,100 cubic meters of earth and stone are needed to build this barrage.
Example 3. The dimensions of a covered rectangular wooden box measured from the outside are as follows. (Unit: m)
The thickness of the wooden board is known to be 0.025 meters. If it is filled with wheat, how many cubic meters of wheat can it hold?
The volume of objects that a box can hold is usually called its volume.
How to calculate the volume of a box?
Length: 1.25-0.025×2=1.2 (meter)
Width: 0.55-0.025×2=0.5 (meter)
Height: 0.45-0.025×2=0.4 (meter)
Volume: 1.2×0. 5×0.4=0.24 (cubic meters)
Keywords: Free download of Hebei Education Edition mathematics PPT courseware for fifth grade volume 2, application problem PPT download, .PPT format;
For more information about the "Application Problems Volume of Cuboids and Cubes" PPT courseware, please click the Application Problems ppt Volume of Cuboids and Cubes ppt tag.
"Application Problems" PPT courseware:
"Application Questions" PPT courseware Part One: Analysis of Example Questions Example 1: The students held a party to decorate the venue, and used red balloons accounting for 4/9 of the total number of balloons. How many balloons were used in total? 28 red balloons were used. Treat the total number of balloons as unit 1 and draw a line graph.
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Update Time: 2024-07-01
This template belongs to Mathematics courseware Hebei Education Edition Fifth Grade Mathematics Volume 2 industry PPT template
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"Application Problems" PPT
2024-07-01
Copyright statement: This material is compiled and released by the user of Daoge Resources. The copyright belongs to the author. For commercial use, please contact the copyright owner. If there is any infringement, please contact the webmaster to remove the resource.
Download Points: 0.00
Free Download
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Views: 3068 / Downloads: 208
