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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 28 · 40 sums
TalentJR

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.How many integers are there between −10 and 12? (Do not count −10 and 12 themselves.)
  2. 2.How many integers are there between −6 and 2? (Do not count −6 and 2 themselves.)
  3. 3.What is (−3) + (−5)? (a) −2 (b) 2 (c) −8 (d) 8
  4. 4.At night the temperature in Leh was −6 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
  5. 5.What is 36 + (−17)? =
  6. 6.Which is bigger: 11 or −5? (a) 11 (b) −5
  7. 7.How is 821 written in Roman numerals? (a) DCCCXXXI (b) DCCCXXI (c) DCCCXX
  8. 8.What is (−15) + (−19)? (a) −4 (b) 34 (c) 4 (d) −34
  9. 9.What number is the Roman numeral LXVII?
  10. 10.At night the temperature in Tawang was −3 °C. By noon it had gone up by 6 °C. What was the temperature at noon (in °C)?
  11. 11.How many integers are there between −12 and 11? (Do not count −12 and 11 themselves.)
  12. 12.On a number line, start at −15 and move 25 steps to the right. Where do you land? (a) −10 (b) −40 (c) 10
  13. 13.How is 635 written in Roman numerals? (a) DCXLV (b) DCXXXV (c) DCXXXIV
  14. 14.What is (−2) + 45? =
  15. 15.What is 33 + (−28)? =
  16. 16.At night the temperature in Gulmarg was −12 °C. By noon it had gone up by 22 °C. What was the temperature at noon (in °C)?
  17. 17.How is 631 written in Roman numerals? (a) DCXLI (b) DCXXX (c) DCXXXI
  18. 18.How many integers are there between −11 and 9? (Do not count −11 and 9 themselves.)
  19. 19.What number is the Roman numeral CCCXI?
  20. 20.Which is bigger: −8 or −19? (a) −19 (b) −8
  21. 21.How is 662 written in Roman numerals? (a) DCLXI (b) DCLXXII (c) DCLXII
  22. 22.What is (−16) + 2? (a) −14 (b) 14 (c) −18 (d) 18
  23. 23.What number is the Roman numeral XXV?
  24. 24.What is 2 − 25? (a) 23 (b) −27 (c) −23 (d) 27
  25. 25.What is (−16) + (−13)? (a) 29 (b) 3 (c) −3 (d) −29
  26. 26.Which is bigger: −4 or −8? (a) −8 (b) −4
  27. 27.Which is bigger: −19 or 5? (a) 5 (b) −19
  28. 28.At night the temperature in Leh was −14 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
  29. 29.Which is bigger: −11 or −7? (a) −11 (b) −7
  30. 30.Which is smaller: −4 or 18? (a) −4 (b) 18
  31. 31.What is (−2) + (−4)? (a) −6 (b) −2 (c) 2 (d) 6
  32. 32.What number is the Roman numeral DCXXVIII?
  33. 33.How is 63 written in Roman numerals? (a) LXIII (b) LXXIII (c) LXII
  34. 34.What is (−17) + (−12)? (a) −29 (b) 5 (c) 29 (d) −5
  35. 35.What is (−5) + (−11)? (a) 16 (b) 6 (c) −16 (d) −6
  36. 36.What is (−16) + 20? =
  37. 37.How many integers are there between −2 and 5? (Do not count −2 and 5 themselves.)
  38. 38.What is 7 − 9? (a) 2 (b) 16 (c) −2 (d) −16
  39. 39.What is (−27) + 28? =
  40. 40.Which is smaller: −16 or 4? (a) 4 (b) −16

Answer key

  1. 21
  2. 7
  3. −8
  4. 19
  5. 19
  6. 11
  7. DCCCXXI
  8. −34
  9. 67
  10. 3
  11. 22
  12. 10
  13. DCXXXV
  14. 43
  15. 5
  16. 10
  17. DCXXXI
  18. 19
  19. 311
  20. −8
  21. DCLXII
  22. −14
  23. 25
  24. −23
  25. −29
  26. −4
  27. 5
  28. 10
  29. −7
  30. −4
  31. −6
  32. 628
  33. LXIII
  34. −29
  35. −16
  36. 4
  37. 6
  38. −2
  39. 1
  40. −16

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