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Number System worksheet-3

 
Fill in the blanks:
 
  1. In Roman system smaller symbol written to the ________ of the larger symbol is always subtracted from the larger symbols.
 
  1. In Roman system, smaller symbol written to the right of the larger symbol is always _______to the larger symbol.
 
  1. Repetition of a symbol in roman system means __________
 
  1. If I have 10 crore rupees then, the International officer will say, “I have_________ rupees”.
 
  1. C can be subtracted from ____ and ___ only.
 
  1. XIV + IV + CD +V is _________
 
  1. If I buy a TV costing 12199, along with DVD player worth 4090 Approximate, it will cost ________.
 
  1. To make one “Gulab –jamun”, I need 10 gm of ingredients. From 5 Kg ingradients, I can make _______ gulab –jamuns.
 
  1. ______ lakhs make 1 million
 
  1. if a number is divisible by 2 then it is called _______- number
 
  1. If a number is not divisible by 2 then it is called _______ number.
 
  1. If my math teacher has even number of chalk sticks and my English teach has odd number of chalk stick, then if they add their chalk sticks, then total number of chalk sticks will be _________ number.
 
  1. __________ is neither prime nor composite natural number.
 
  1. 802 is divisible by _____________.
 
  1. __________ is the only even prime number.
 
  1. _______ is the greatest two digit prime number.
 
  1. The order, in which we arrange the numbers from smallest to largest.
 
  1. The order, in which we arrange the numbers from largest to smallest.
 
  1. A symbol can be repeated for almost ____ times in Roman number system.
 
  1. If any two whole numbers are added, we always get a _____ number. This property is called the ______ property of addition of whole numbers.
 
  1. If many whole numbers are added, the order in which the grouping is done does not matter. (a + b) + c = a + (b + c) this property is called _____ property of addition of whole numbers.
 
  1. (17 – 3) – 2 ≠ 17 – (3 – 2) so _____ property does not hold true.

 

Answer Key

  1. Left

  2. Added

  3. Addition.

  4. Hundred million

  5. D, M

  6. 423

  7. 16000

  8. 500

  9. 10

  10. Even

  11. Odd

  12. Odd

  13. 1

  14. 2

  15. 2

  16. 97

  17. Ascending

  18. Descending

  19. 3

  20. whole number, closure

  21. associative

  22. associative