contributions of ancient mesopotamia - … · les contributions de la mésopotamie ancienne author:...
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![Page 1: Contributions of Ancient Mesopotamia - … · Les contributions de la Mésopotamie ancienne Author: tech Created Date: 12/11/2017 11:27:44 AM](https://reader031.vdocument.in/reader031/viewer/2022020304/5b9df75d09d3f2443d8d26a3/html5/thumbnails/1.jpg)
Contributions of Ancient Mesopotamia
![Page 2: Contributions of Ancient Mesopotamia - … · Les contributions de la Mésopotamie ancienne Author: tech Created Date: 12/11/2017 11:27:44 AM](https://reader031.vdocument.in/reader031/viewer/2022020304/5b9df75d09d3f2443d8d26a3/html5/thumbnails/2.jpg)
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1. A professional army• Before the Sumerian Civilization,
professional armies did not exist
• Soldiers were farmers and workers, and armies were only formed when needed
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• Their understanding and use of militarytactics, if they had any at all, were verybasic
• After a battle or war, the soldiers wentback to their normal jobs
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• The Sumerian Civilization was the first to use a professional standing army
• The first professional army was createdsometime between 2600 and 2300 BCE
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Advantages and disadvantages?
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2. A written language• The first written language as created by
the Sumerian Civilization around the same time that it created a professionalarmy
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Advantages and disadvantages?
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3. The Wheel• The first wheels were created by the
Sumerian Civilization around the sametime of their professional army and written language
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Advantages and Disadvantages?
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4. A Circle with 360o
• Our numeric system is based on the number 10
• But the Babylonians based theirs on 60
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Advantages and disadvantages?
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Factors of 10
101 102 5
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Factors of 60
601 602 103 4 5 6 12 15 20 30
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• one hour can be divided evenly into sections of 30 minutes, 20 minutes, 15 minutes, 12 minutes, 10 minutes, 6 minutes, 5 minutes, 4 minutes, 3 minutes, 2 minutes, and 1 minute
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• 60 is the smallest number that is divisible by every number from 1 to 6
• that is, it is the lowest common multiple of 1, 2, 3, 4, 5, and 6
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• The Babylonians observed that one yearis equal to roughly 360 days
• Because they already based theirnumeric system on 60, they decided to have 360o in a circle
• 360 is a _________ of 60
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• The Babylonians observed that one yearis equal to roughly 360 days
• Because they already based theirnumeric system on 60, they decided to have 360o in a circle
• 360 is a multiple of 60