| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"The rule of how the decimal point position moves to the right" Decimal multiplication PPT courseware
Description
"The rule of how the decimal point position moves to the right" Decimal multiplication PPT courseware
Learn important and difficult points
Key points: Master the rules for moving the decimal point position to the right and apply it to solve practical problems.
Difficulty: Master the method of moving the decimal point to the right and filling it with 0s when there are not enough decimal places.
Method summary
The rule of moving the decimal point position to the right
A number is expanded to 10 times its original size
Move the decimal point one place to the right
A number is expanded to 100 times its original size
Move the decimal point two places to the right
A number is expanded to 1000 times its original size
Move the decimal point three places to the right
In conclusion
3.87×10＝38.7 3.87×100＝387 3.87×1000＝3870
When a number is expanded to 10 times, 100 times, 1000 times... you can directly apply the rule of moving the decimal point to the right to calculate the product; if there are not enough decimal places, use 0 to make up for it.
Rewrite unit
1.3m=130cm 0.65m=65cm
Rewrite the high-level unit into the number of the low-level unit. If the progress rate between the two units is 10, 100, 1000... then you can use the rule of moving the decimal point to the right to rewrite.
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For more information about the PPT courseware "The Law of the Decimal Point Position Moving to the Right in Decimal Multiplication ppt", please click the "The Law of the Decimal Point Position Moving to the Right in Decimal Multiplication ppt" ppt tag.
"The rules and applications of moving the decimal point position to the right" Decimal multiplication PPT courseware:
"The Rules and Applications of the Decimal Point Position Moving to the Right" Decimal Multiplication PPT Courseware Teaching Objectives 1. Combined with specific examples, experience the process of independently exploring the rules of the decimal point position moving to the right and applying the rules for calculation, understand and master the rule of the decimal point moving to the right . ..
File Info
Update Time: 2024-07-06
This template belongs to Mathematics courseware Hebei Education Edition Fifth Grade Mathematics Volume 1 industry PPT template
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