Quiz question suggestions: Numbers

Quiz-question-suggestions about Numbers

Some sums

  • What is 5 times 7? [35] 
  • If you add up all the numbers from 1 to 20 consecutively, what do you get? [210] 
  • What is 23 + 124 [147] 
  • What is the arithmetic mean of 4,6 and 8? [6] 
  • What is 117 divided by 9? [13]

Types of numbers

  • Name the smallest ten prime numbers [2, 3, 5, 7, 11, 13, 17, 19, 23 and 29] 
  • Is 3.2 an integer or a real number? [real] 
  • What is a binary number? [one that's made entirely of 0's and 1's] 
  • What's the name of the numbering system which is used in everyday life? [decimal - also called base 10] 
  • Write down the number 13 in base 2 [1101]
  • What is the only number that can't be represented in Roman numerals? [Zero ie 0]


Special numbers

  • Write down pi (pronounced "pie") to three decimal places [3.142 - all digits must be correct] 
  • What is special about pi? [It is the the ratio of the circumference of a circle to its diameter] 
  • If a pizza that has radius "z" and height "a", what is its volume? [ Pi × (z + z) × a ] 
  • Is zero and even number or an odd number? [even] 
  • What is the Golden Ratio? [1.618] 
  • How is the Golden Ratio used? [It is used as the ratio between two lengths to create aesthetically pleasing designs and art works] 
  • What is Leonardo da Vinci's famous painting which used the Golden Ratio? [the Mona Lisa] 
  • What is the value of Pythagoras' constant? [Square root of 2, ie or 1.41... ]

Number trivia

  • What are some other names for the number zero? [nought, naught, nil, zilch and zip]
  • What is a googol? [1 followed by one hundred zeros] 
  • According to the dictionary, what are the three purposes of numbers? [counting, labelling, and measuring]

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