01 history of numbers and numerals
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Transcript of 01 history of numbers and numerals
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A Brief History of
Mathematics Departmentura ittaya arn School
Addition Mathematics (Ma2120…) Mathayam 1 (IEP)
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Milestone
-50000 -8000 -3400 -876 -230 -100
Paleolithic
peoples in central
Europe and
France record
numbers on
bones.
The first
symbols for
numbers are
used in Egypt.
Eratosthenes
develops his
sieve method for
finding all prime
numbers.
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How many squares below?
Number and Numeral
We use word ‘four’ and use notation ‘4’ to represent them.
In Thai, we use word ‘สอง’ and use notation ‘๔’ to represent them.
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Difference?
What is the difference between
‘number’ and ‘numeral’?
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Nowadays
1 2539245
2,586
48,959
Hundu-Arabic numeralWhat do we call?
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Various symbol sets
0 1 2 3 4 5 6 7 8 9 Latin script
० १ २ ३ ४ ५ ६ ७ ८ ९ Devanagari
٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩ Arabic
០ ១ ២៣៤ ៥ ៦៧៨៩ Khmer
๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ Thai
໐ ໑ ໒ ໓ ໔ ໕ ໖ ໗ ໘໙ Lao
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Because…
1 39
459
48,959
0It was formed by
Hindu or, now, Indian.
It was presented in Europe by
Arabic, people in middle east Asia.
2,58625
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Ancient Egyptian Numerals
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Babylonian Numerals
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Roman Numeral