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01 history of numbers and numerals

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history of numbers and numerals for IEP m.1 Surawittayakarn School, Surin

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01 history of numbers and numerals

  1. 1. A Brief History of Mathematics Department ura ittaya arn School Addition Mathematics (Ma2120…) Mathayam 1 (IEP)
  2. 2. 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.
  3. 3. 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.
  4. 4. Difference? What is the difference between ‘number’ and ‘numeral’?
  5. 5. Nowadays 1 25 392 45 2,586 48,959 Hundu-Arabic numeralWhat do we call?
  6. 6. 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 ៦ ៧ ៨ ៩ Khmer ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ Thai ໐ ໑ ໒ ໓ ໔ ໕ ໖ ໗ ໘ ໙ Lao
  7. 7. Because… 1 39 459 48,959 0 It was formed by Hindu or, now, Indian. It was presented in Europe by Arabic, people in middle east Asia. 2,586 25
  8. 8. Ancient Egyptian Numerals
  9. 9. Babylonian Numerals
  10. 10. Roman Numeral

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