The Evolution of Numbers
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Questions and Answers

What is the symbol used to represent the absence of a quantity at a certain slot?

  • 9
  • 0 (correct)
  • 100
  • 1

    • Who adopted and extended the place coding system?

  • Japan
  • China (correct)
  • Korea
  • India

    • What is the first digit used for in the place coding system?

  • Representing the tens
  • Representing the thousands
  • Representing the hundreds
  • Representing the units (correct)

    • What is the meaning of a sign dependent on in the place coding system?

    <p>Both its form and position</p> Signup and view all the answers

    What is subitising?

    <p>The ability to distinguish small quantities without counting</p> Signup and view all the answers

    What is the base of the Sumerian number system?

    <p>Base 60</p> Signup and view all the answers

    What is the origin of the words 'eleven' and 'twelve'?

    <p>They were derived from counting on fingers</p> Signup and view all the answers

    What was the Greek number system based on?

    <p>The 24 letters of their alphabet</p> Signup and view all the answers

    What is the significance of the number 5 in early counting systems?

    <p>It was the number of fingers on a hand</p> Signup and view all the answers

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