Western Normal University Edition First Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 1
People's Education Press Third Grade Mathematics Volume 1
People's Education Press Second Grade Mathematics Volume 1
Beijing Normal University Edition Fifth Grade Mathematics Volume 1
Hebei Education Edition Third Grade Mathematics Volume 1
Hebei Education Edition Seventh Grade Mathematics Volume 2
Beijing Normal University Edition Seventh Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 1
People's Education High School Mathematics Edition B Compulsory Course 2
Beijing Normal University Edition Eighth Grade Mathematics Volume 1
Jiangsu Education Edition Fourth Grade Mathematics Volume 1
Qingdao Edition Seventh Grade Mathematics Volume 2
Qingdao Edition Second Grade Mathematics Volume 2
People's Education Press First Grade Mathematics Volume 2
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Category | Format | Size |
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Qingdao Edition Fourth Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"How much do you know about big numbers" PPT courseware 3
Natural number
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 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, and the number of natural numbers is infinite.
Base
10 ten thousand is ( ) ten thousand, 10 one hundred thousand is ( ) ten thousand, 10 one million is ( ) ten thousand, and 10 ten million is ( ) ten thousand.
The advance rate between two adjacent counting units is ( )
(1) 5073261 is the number of ( ) digits. 5 is in the ( ) position, which means there are ( ) ( ). 7 is in the ( ) position, and its counting unit is ( ), which means there are ( ) ( ). 6 is in the ( ) position. ( ) position means there are 6 ( ).
(2) Ten million is ( ) one hundred thousand, and ( ) one thousand is one hundred thousand. One hundred million is ( ) times ten million, ( ) times one million, and ( ) times one.
(3) The number on the level of 10089470235 is ( ), which means there are ( ) ( ), the number on the level of 10,000 is ( ), which means there are ( ) ( ), and the number on the level of 100 million is ( ), which means there are ( )indivual( ).
Reading
①. Start reading from the high digits and read down one level at a time.
②. Numbers in the trillions (billions) level should be read according to the pronunciation of numbers in the levels, and then add the word trillion (billion) at the end.
③. No matter how many zeros there are at the end of each level, no reading will be done. If there is one "zero" or several consecutive "zeroes" in other digits, only one "zero" will be read.
writing method
summary:
①. Start writing from the advanced level and go down level by level.
②. When there is no counting unit in any digit, write 0 in that digit.
What are the similarities and differences between the pronunciation and writing of numbers above ten thousand?
Similar points: reading and writing numbers both read (write) the high-level first, and then read (write) the low-level.
Differences: Regarding zero, reading and writing are different. When writing numbers, if there is no one on any digit, just write "0" on that digit; when reading, no matter how many "0"s there are at the end of each level, they will not be read. If there is a "0" or "0" on other digits, If there are several "0"s in a row, only one zero is read.
size comparison
summary:
① When there are many digits, the number will be larger.
② When the two digits have the same digit, we should compare from the first digit from the left, that is, from the highest digit. Whichever number has a larger number in the highest digit, the number will be larger.
③. If the numbers in the highest digits are the same, compare with the next digit, and so on, until we compare the numbers in the same digits, and when the number is larger, we can conclude that the numbers are more comparable. big.
Fill in "<", ">" or "=" in ○.
10000○9999 60000○600000 9998○8999 94537○94536
1.77 billion
380,380,000
2.1 million yuan○2.1 million yuan
50,000 meters○50,000 meters
20 tons○2000kg
100 million○100 million
rewrite
To rewrite it as a number using thousands as the unit, just remove the 4 zeros in the level.
To rewrite it as a number using hundreds of millions as the unit, just remove the 8 zeros in the units and tens of thousands.
Research questions
1. The number whose highest digit is one billion digits is ( ) digit, and the highest digit of seven-digit number is ( ) digit.
2. The largest five-digit number plus 1 is ( ), and the smallest nine-digit number minus 1 is ( ).
3. The number composed of 48 ten thousand is ( ).
4. 6 988≈60,000, the maximum number that can be filled in ( );
5. 23 5000000≈2.4 billion, the minimum that can be filled in ( ).
Encoding
A number can be used to represent quantity or order.
If the numbers are arranged in a certain way, they will play a greater role, which forms a new thing - coding.
Xiao Ming's family lives in No. 2, Floor 3, Unit 2, Building 5, Xingfu Community. My home number is "5-2-302".
Xiaohua's family also lives in Xingfu Community, the number is 4-3-601. In what building, unit, floor and number does Xiaohua's family live?
The County People's Hospital has designed a medical record number for each inpatient, from which it can be seen which department the patient lives in, the length of stay and the bed number. The medical record number of a patient is "Nei 2007121509".
So, this patient lives in ( ) department, the time of admission is ( ), and he lives in bed No. ( ).
If there is a patient who lives in bed No. 12 of the surgical department and is admitted to the hospital on May 11, 2008, the patient's medical record number is ( ).
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 on the PPT tab of How Much Do You Know about Big Numbers.
"How much do you know about big numbers" PPT courseware 6:
"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 of comparing numbers above ten thousand, and be able to correctly compare the sizes of two numbers. , can solve related practical problems...
"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...
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Update Time: 2024-09-11
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