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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 949 · 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.On a number line, start at −1 and move 7 steps to the left. Where do you land? (a) 8 (b) −8 (c) 6
  2. 2.What is (−25) + (−28)? (a) 3 (b) −3 (c) −53 (d) 53
  3. 3.On a number line, start at −6 and move 7 steps to the left. Where do you land? (a) −13 (b) 1 (c) 13
  4. 4.How is 112 written in Roman numerals? (a) CXII (b) CXI (c) CXXII
  5. 5.On a number line, start at −12 and move 3 steps to the left. Where do you land? (a) −9 (b) −15 (c) 15
  6. 6.How many integers are there between −7 and 8? (Do not count −7 and 8 themselves.)
  7. 7.What is 29 + (−9)? =
  8. 8.What is (−21) + 33? =
  9. 9.Which is bigger: −8 or −1? (a) −8 (b) −1
  10. 10.What is (−14) + 33? =
  11. 11.At night the temperature in Tawang was −2 °C. By noon it had gone up by 9 °C. What was the temperature at noon (in °C)?
  12. 12.On a number line, start at −6 and move 14 steps to the right. Where do you land? (a) 8 (b) −8 (c) −20
  13. 13.Which is bigger: −17 or −19? (a) −17 (b) −19
  14. 14.What is (−10) + 9? (a) −1 (b) −19 (c) 1 (d) 19
  15. 15.Which is bigger: 3 or −3? (a) 3 (b) −3
  16. 16.What number is the Roman numeral CCCXVIII?
  17. 17.How is 92 written in Roman numerals? (a) LXXXXII (b) XCI (c) XCII
  18. 18.What is 2 − 4? (a) 6 (b) −6 (c) −2 (d) 2
  19. 19.What is 15 + (−7)? =
  20. 20.What is 25 + (−6)? =
  21. 21.Which is smaller: −20 or −13? (a) −13 (b) −20
  22. 22.How many integers are there between −8 and 5? (Do not count −8 and 5 themselves.)
  23. 23.What is 28 + (−21)? =
  24. 24.What is (−12) + 8? (a) −4 (b) 4 (c) 20 (d) −20
  25. 25.What is 36 + (−24)? =
  26. 26.What is 5 − 17? (a) −22 (b) 22 (c) 12 (d) −12
  27. 27.At night the temperature in Tawang was −8 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
  28. 28.What number is the Roman numeral LXXII?
  29. 29.What number is the Roman numeral CDLXVII?
  30. 30.How is 622 written in Roman numerals? (a) DCXXI (b) DCXXXII (c) DCXXII
  31. 31.What is (−15) + 4? (a) 11 (b) −19 (c) −11 (d) 19
  32. 32.What is (−25) + 38? =
  33. 33.How is 1 written in Roman numerals? (a) XI (b) II (c) I
  34. 34.What is 30 + (−28)? =
  35. 35.What is 2 − 3? (a) 5 (b) −5 (c) 1 (d) −1
  36. 36.How many integers are there between −1 and 9? (Do not count −1 and 9 themselves.)
  37. 37.What is (−21) + 16? (a) 5 (b) −37 (c) −5 (d) 37
  38. 38.On a number line, start at −10 and move 2 steps to the right. Where do you land? (a) 8 (b) −8 (c) −12
  39. 39.How is 45 written in Roman numerals? (a) XLV (b) XXXXV (c) XLIV
  40. 40.Which is smaller: −9 or 5? (a) 5 (b) −9

Answer key

  1. −8
  2. −53
  3. −13
  4. CXII
  5. −15
  6. 14
  7. 20
  8. 12
  9. −1
  10. 19
  11. 7
  12. 8
  13. −17
  14. −1
  15. 3
  16. 318
  17. XCII
  18. −2
  19. 8
  20. 19
  21. −20
  22. 12
  23. 7
  24. −4
  25. 12
  26. −12
  27. 17
  28. 72
  29. 467
  30. DCXXII
  31. −11
  32. 13
  33. I
  34. 2
  35. −1
  36. 9
  37. −5
  38. −8
  39. XLV
  40. −9

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