"RMB Exchange" Decimal Division PPT Courseware

Category	Format	Size
Mathematics Volume 2 for Grade 4 of Beijing Normal University	pptx	6 MB

"RMB Exchange" Decimal Division PPT Courseware

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Upload Time: 2024-10-18

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Description

"RMB Exchange" Decimal Division PPT Courseware

Find approximate numbers as required:

828643 (accurate to thousands):

25252525 (accurate to 10,000 digits):

30478 (accurate to hundreds):

7993900≈( )10,000

1999010000≈ ( ) billion

Tips for wisdom: Use the "rounding" method to get an approximate number. If you want to retain a certain digit, you must discard all the digits after this digit. If the first digit of the discarded part is less than 5, the retained part will not Change (i.e. "rounding"); if the first digit of the deleted part is greater than 5 or equal to 5, add 1 to the last digit of the retained part (i.e. "five-rounding").

Knowledge Tips

1. To find the approximate value of the product, first calculate it accurately, and then take the approximate value according to the requirements or actual situation.

2. To find the approximate value of the quotient, first divide by one more digit as required and then get the approximate value.

3. Generally, the "rounding" method is used to obtain approximate values.

practice

1. The distance from place A to place B is 12.64 kilometers, and the distance from place A to place C is 1.7 times that of place B. How many kilometers is the distance from point A to point C? (keep two decimal places)

2. A pile of coal weighs 40.5 tons and is transported by a truck with a load of 2.8 tons. How many vehicles are needed to transport it all at once?

Keywords: RMB exchange courseware PPT, Beijing Normal University edition fourth grade mathematics volume PPT courseware download, fourth grade mathematics slide courseware download, RMB exchange PPT courseware download, .PPT format

For more information about the "Decimal Division RMB Conversion" PPT courseware, please click the Decimal Division ppt RMB Conversion ppt tab.

"RMB Exchange" Decimal Division PPT Courseware 2:

"RMB Conversion" Decimal Division PPT Courseware 2 1 USD to RMB 6.31 yuan 1 euro to RMB 8.19 yuan 1 Hong Kong dollar to RMB 0.81 yuan 1 Singapore dollar to RMB 5.11 yuan 100 Japanese yen to RMB 7.89 yuan 100 baht to RMB 20.32 yuan... .

File Info

Update Time: 2024-10-18

This template belongs to Mathematics courseware Mathematics Volume 2 for Grade 4 of Beijing Normal University industry PPT template

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Decimal division ppt RMB exchange ppt

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"RMB Exchange" Decimal Division PPT Courseware