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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 486 · 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 (−14) + 8? (a) 6 (b) 22 (c) −22 (d) −6
  2. 2.Which is bigger: −18 or 18? (a) −18 (b) 18
  3. 3.What number is the Roman numeral VI?
  4. 4.What is 26 + (−15)? =
  5. 5.Which is smaller: −18 or −12? (a) −18 (b) −12
  6. 6.What is 44 + (−21)? =
  7. 7.Which is bigger: −3 or −13? (a) −13 (b) −3
  8. 8.What is (−24) + (−6)? (a) 18 (b) 30 (c) −18 (d) −30
  9. 9.What number is the Roman numeral LVIII?
  10. 10.How is 676 written in Roman numerals? (a) DCLXXXVI (b) DCLXXVI (c) DCLXXV
  11. 11.What number is the Roman numeral DCLXIV?
  12. 12.How is 439 written in Roman numerals? (a) CDXXXVIII (b) CDXXXIX (c) CCCCXXXVIIII
  13. 13.On a number line, start at −6 and move 8 steps to the right. Where do you land? (a) 2 (b) −2 (c) −14
  14. 14.What is (−30) + 40? =
  15. 15.How is 60 written in Roman numerals? (a) LIX (b) LXX (c) LX
  16. 16.Which is bigger: −16 or −20? (a) −20 (b) −16
  17. 17.What is 25 + (−21)? =
  18. 18.On a number line, start at −10 and move 21 steps to the left. Where do you land? (a) 31 (b) 11 (c) −31
  19. 19.What number is the Roman numeral LX?
  20. 20.What is (−17) + 16? (a) −33 (b) 33 (c) 1 (d) −1
  21. 21.What number is the Roman numeral XLIV?
  22. 22.At night the temperature in Manali was −6 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
  23. 23.What is 40 + (−12)? =
  24. 24.What is 27 + (−18)? =
  25. 25.Which is smaller: −17 or −15? (a) −15 (b) −17
  26. 26.What is 33 + (−4)? =
  27. 27.Which is bigger: −13 or 14? (a) 14 (b) −13
  28. 28.What is (−10) + 26? =
  29. 29.What is (−27) + (−30)? (a) 57 (b) −57 (c) −3 (d) 3
  30. 30.How many integers are there between −7 and 5? (Do not count −7 and 5 themselves.)
  31. 31.What is 15 + (−7)? =
  32. 32.What is (−7) + 4? (a) −11 (b) 11 (c) 3 (d) −3
  33. 33.How is 111 written in Roman numerals? (a) CXI (b) CX (c) CXXI
  34. 34.How is 67 written in Roman numerals? (a) LXVI (b) LXXVII (c) LXVII
  35. 35.What is 16 − 17? (a) −1 (b) −33 (c) 33 (d) 1
  36. 36.What is 39 + (−25)? =
  37. 37.What is 5 − 25? (a) 20 (b) 30 (c) −20 (d) −30
  38. 38.At night the temperature in Leh was −12 °C. By noon it had gone up by 26 °C. What was the temperature at noon (in °C)?
  39. 39.What is (−14) + 19? =
  40. 40.How is 143 written in Roman numerals? (a) CXLII (b) CXLIII (c) CXXXXIII

Answer key

  1. −6
  2. 18
  3. 6
  4. 11
  5. −18
  6. 23
  7. −3
  8. −30
  9. 58
  10. DCLXXVI
  11. 664
  12. CDXXXIX
  13. 2
  14. 10
  15. LX
  16. −16
  17. 4
  18. −31
  19. 60
  20. −1
  21. 44
  22. 9
  23. 28
  24. 9
  25. −17
  26. 29
  27. 14
  28. 16
  29. −57
  30. 11
  31. 8
  32. −3
  33. CXI
  34. LXVII
  35. −1
  36. 14
  37. −20
  38. 14
  39. 5
  40. CXLIII

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