You will learn the method of writing and reading the multi‑digit natural numbers.
Learning effect
You read and write the multi‑digit natural numbers.
You change the abbreviations of „thou” and „mill” in the number.
You use English to describe the position of the digit in the number.
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Give some examples of various meaning of the digits depending on the position in decimal natural system. Consider why our numeral system is called the decimal numeral system.
Today you are going to write and read the natural multi‑digit numbersmulti‑digit numbersmulti‑digit numbers.
Task 1
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Analyse the interactive illustration. Become familiar with some of the names of multi-digitdigitdigit natural numbers.
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Use the information you have gained to solve the tasks.
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Exercise 1
Wersja alternatywna ćwiczenia: Match the numbers to their language description. 6000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 90000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 900000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 9000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 60000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 600000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million
Wersja alternatywna ćwiczenia: Match the numbers to their language description. 6000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 90000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 900000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 9000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 60000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million 600000000 Możliwe odpowiedzi: 1. six thousand, 2. nine hundred thousand, 3. six hundred million, 4. sixty million, 5. ninety thousand, 6. nine million
Match the numbers to their language description.
nine hundred thousand, nine million, sixty million, six hundred million, six thousand, ninety thousand
6000
90000
900000
9000000
60000000
600000000
Consider
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What number ten hundred are equal to?
How many zeros the numbers of ten thousand and hundred thousand have got?
How many zeros the number of thousand thousand has got?
How the number with 6 zeros is called?
Note
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10 hundred makes a thousand.
Thousand of thousand makes a million.
Task 2
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Open the slideshow. Watch the method of writing the number of six million seven hundred sixty nine thousand two hundred eighty five.
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Task 3
Write the following numbers using the formula shown below:
a) 52998451 = b) 3015006 = c) 708020 =
Task 4
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Write any 3 numbers consisting of 4 to 9 digits. Read these numbers aloud.
Note, that preparing the following digits of units, tens, hundreds, etc. makes us easier to read and write the multi‑digit natural numbers.
where: H - hundreds, T - tens, U - units.
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Become familiar with the example and use digits to write the number depending on their language description.
Example
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Write using digits the number: oneoneonehundredhundredhundred six millionmillionmillion twenty thousand five hundred three.
where: H - hundreds, T - tens, U - units.
Task 5
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Use digits to write the following numbers:
a) sixteen thousand fifty five b) forty million oneoneone hundred one c) one millionmillionmillion seven hundredhundredhundred thousand twelve
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Note, that while presenting the numeral data with lots of zeros on the diagram or in the table the following abbreviations are often used:
Write the numbers presented in the following sentences by using the digits.
a) The population in Poland has reached almost 38 mill in 2018. b) The length of the equator equals slightly over 40 thou km. c) The area of Spain is about 505 thou kmIndeks górny 22. d) The Portuguese footballer Cristiano Ronaldo earned about 24 mill Euro in 2017.
Task 7
A extra task:
Find on the Internet the information about trillion and quadrillion. Write them by using digits.
Remember:
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The position of every natural number is determined. In the nine‑digit number there are subsequently from the right the following digits: the units, the tens, the hundreds, the units of thousand, the tens of thousand, the hundreds of thousand, the units of million, the tens of million, the hundreds of million.
„ThousandthousandThousand” can be written down by using the abbreviation of „thou”.
„MillionmillionMillion” can be written down by using the abbreviation of „mill”.
Do the summarising tasks.
Exercises
Exercise 2
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Exercise 3
Write the following numbers using the digits:
a) seven million one hundred twenty five thousand six hundred thirty b) forty two thousand three hundred eighty nine c) three hundred two thousand one hundred seventy d) fifteen thousand eight hundred e) four million two hundred f) one hundred million seventeen
a) 7125630 b) 42389 c) 302170 d) 15800 e) 4000200 f) 100000017
Exercise 4
Write the language description of the following numbers:
a) 3875 b) 90703 c) 7000302
Describe in English the position of the digits 3 and 7 in the numbers above.
Hint:
a) three thousand eight hundred seventy five 3 – thousands digitdigitdigit 7 – tens digit
b) ninety thousand seven hundred three 3 – units digit, 7 – hundreds digit
c) seven millions three hundred two 3 – hundreds unit, 7 – millions digit