# Where do NUMBERS come from?: How did counting begin?

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- Where do NUMBERS come from?: You can count on PEOPLE. // Think of a Number;2005, p12
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It tackles the 900 different counting systems adopted by tribes in Papua New Guinea as well as that of the ancient Babylonians. It notes that many of these tribes count past their fingers and do...

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A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It offers tips for using shortcuts in mathematics. It suggests to round off numbers when adding together large numbers. The shortcut for dividing or multiplying by five is described. A list of...

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A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the counting system devised by ancient Babylonians as they counted beyond their hands. It presents information on the clay tokens that they used as record of deals and how they kept...

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A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the counting system devised by the ancient Indians. It notes that the Indians were able to invent the place system wherein number symbols were matched with the rows on an abacus as...

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A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the concept of square and triangular numbers. A square number is defined as the product of a number that is multiplied by itself. The square number series is said to be one of the...

- Where do NUMBERS come from?: Mayan numbers Roman numbers. // Think of a Number;2005, p18
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the counting systems devised by the ancient Mayans and Romans. It asserts that Ancient Mayans were able to perfectly track the date and purports that they counted in twenties using...

- Where do NUMBERS come from? // Think of a Number;2005, p6
An introduction to various chapters of a section on the origin of numbers featured in the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented.

- MAGIC numbers: the Golden RATIO. // Think of a Number;2005, p34
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the concept of phi which the famous painter Leonardo da Vinci called as the "golden ratio." It presents how it is derived and its numerical value. It also elaborates on the strange...

- MAGIC numbers: BIG NUMBERS. // Think of a Number;2005, p36
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses big numbers, what they are called, and how they are written. It mentions the concept of powers or exponents which indicates the number of times a number is to be multiplied by...