| Category | Format | Size |
|---|---|---|
| Qingdao Edition Fourth Grade Mathematics Volume 1 | pptx | 6 MB |
"How much do you know about big numbers" PPT courseware 6
Description
"How much do you know about big numbers" PPT courseware 6
teaching objectives
In this lesson, we mainly study the comparison of numbers above ten thousand. Students will use specific examples to summarize the methods for comparing numbers above ten thousand. Students can correctly compare the sizes of two numbers and solve related practical problems.
The following are the six largest provinces in my country by area (unit: square kilometers).
Heilongjiang: 454800 Inner Mongolia: 1100000 Qinghai: 720000
Sichuan: 485,000 Tibet: 1,210,000 Xinjiang: 1,660,000
Would you compare the size of each two provinces?
What if the digits are the same?
If the digits are the same, compare the first one from the left first...
If the first one from the left is also the same, then compare the second one from the left...
Compare the size of two numbers. If the number of digits is different, the number with more digits is larger; if the number of digits is the same, the number with the larger number from the left is larger; if the number with the first number from the left is the same , just compare the number in the second digit from the left...
Method summary
When comparing numbers within 100 million, for two numbers with different digits, the number with more digits is larger and the number with fewer digits is smaller.
When the digits are the same, the number with the larger number in the highest digit is larger.
When the digits are the same, if the highest digit is the same, look at the next digit. The number on the next digit is larger, which will be the larger number. …
Summary of this lesson
In this lesson, we mainly study the comparison of numbers above ten thousand. Students must master the comparison method, be able to correctly compare the sizes of two numbers, and be able to solve related practical problems.
Keywords: teaching courseware of how much is known about large numbers, Qingdao edition fourth grade mathematics volume PPT courseware download, fourth grade mathematics slide courseware download, how much is known about large numbers PPT courseware download, .PPT format;
For more information about the PPT courseware "How Much Do You Know About Big Numbers", please click the "How Much Do You Know About Big Numbers" ppt tag.
"How much do you know about big numbers" PPT courseware 5:
"How much do you know about large numbers" PPT courseware 5 Review of comparing numbers within ten thousand 1. fill in the blank. 211010 is the number of ( ) digits, the highest digit is the ( ) digit, and is read as: ( ) 2. Fill in ○ with >, < or =. 999○1010 601○564 687○678 Who can tell me...
"How much do you know about big numbers" PPT courseware 4:
"How much do you know about big numbers" PPT courseware 4 1. Situation introduction The building area of the Bird's Nest is 258,000 square meters, and there are 91,000 audience seats in the venue. The area of Beijing Olympic Park is 11,350,000 square meters, including 6,800,000 square meters of forest park and 4,050,000 square meters...
"How much do you know about big numbers" PPT courseware 3:
"How Many Large Numbers Do You Know" PPT Courseware 3 Natural Numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 representing the number of objects are natural numbers. There is no object, represented by 0. 0 is also a natural number. The smallest natural number is 0, there is no largest natural number, natural numbers...
File Info
Update Time: 2024-07-04
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