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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 496 · 40 sums
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The method (Walk the number line): On a number line, the number further right is bigger: −3 > −8, and every negative number is smaller than 0. Same signs: add the sizes and keep the sign. Different signs: subtract the smaller size from the bigger and keep the sign of the bigger size. Taking away more than you have goes below 0: 5 − 12 = −7. Roman numerals: add the values, but a smaller numeral before a bigger one is taken away — IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900.

NameDateTime takenScore ___ / 40
  1. 1.What is 30 + (−28)? =
  2. 2.How is 40 written in Roman numerals? (a) XL (b) XXXX (c) XXXIX
  3. 3.How many integers are there between −8 and 1? (Do not count −8 and 1 themselves.)
  4. 4.How many integers are there between −3 and 4? (Do not count −3 and 4 themselves.)
  5. 5.What number is the Roman numeral XCIII?
  6. 6.What is 35 + (−20)? =
  7. 7.How is 739 written in Roman numerals? (a) DCCXXXVIIII (b) DCCXXXIX (c) DCCXXXVIII
  8. 8.At night the temperature in Gulmarg was −7 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
  9. 9.How is 92 written in Roman numerals? (a) XCI (b) LXXXXII (c) XCII
  10. 10.What is 35 + (−15)? =
  11. 11.What number is the Roman numeral CDLXXII?
  12. 12.At night the temperature in Srinagar was −5 °C. By noon it had gone up by 14 °C. What was the temperature at noon (in °C)?
  13. 13.What is 49 + (−2)? =
  14. 14.How many integers are there between −7 and 9? (Do not count −7 and 9 themselves.)
  15. 15.What number is the Roman numeral XXIV?
  16. 16.At night the temperature in Srinagar was −8 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
  17. 17.What is 37 + (−30)? =
  18. 18.What number is the Roman numeral XXII?
  19. 19.At night the temperature in Shimla was −14 °C. By noon it had gone up by 27 °C. What was the temperature at noon (in °C)?
  20. 20.What number is the Roman numeral XIII?
  21. 21.What is (−11) + 13? =
  22. 22.Which is bigger: −1 or −20? (a) −20 (b) −1
  23. 23.What is (−17) + 30? =
  24. 24.What number is the Roman numeral XLIV?
  25. 25.At night the temperature in Shimla was −6 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
  26. 26.What is (−3) + 14? =
  27. 27.What is (−13) + 43? =
  28. 28.What is (−25) + 6? (a) −31 (b) 19 (c) 31 (d) −19
  29. 29.What number is the Roman numeral L?
  30. 30.What number is the Roman numeral XXVIII?
  31. 31.How is 89 written in Roman numerals? (a) LXXXVIIII (b) LXXXVIII (c) LXXXIX
  32. 32.How many integers are there between −9 and 7? (Do not count −9 and 7 themselves.)
  33. 33.What is (−28) + 37? =
  34. 34.How many integers are there between −7 and 4? (Do not count −7 and 4 themselves.)
  35. 35.What is 23 + (−19)? =
  36. 36.What is (−22) + (−26)? (a) 4 (b) 48 (c) −4 (d) −48
  37. 37.What number is the Roman numeral CCCXXXIII?
  38. 38.What is 47 + (−27)? =
  39. 39.What is (−5) + 39? =
  40. 40.What is (−17) + 10? (a) 7 (b) −27 (c) −7 (d) 27

Answer key

  1. 2
  2. XL
  3. 8
  4. 6
  5. 93
  6. 15
  7. DCCXXXIX
  8. 16
  9. XCII
  10. 20
  11. 472
  12. 9
  13. 47
  14. 15
  15. 24
  16. 2
  17. 7
  18. 22
  19. 13
  20. 13
  21. 2
  22. −1
  23. 13
  24. 44
  25. 9
  26. 11
  27. 30
  28. −19
  29. 50
  30. 28
  31. LXXXIX
  32. 15
  33. 9
  34. 10
  35. 4
  36. −48
  37. 333
  38. 20
  39. 34
  40. −7

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