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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 119 · 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.

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  1. 1.On a number line, start at −1 and move 23 steps to the right. Where do you land? (a) −24 (b) −22 (c) 22
  2. 2.How is 162 written in Roman numerals? (a) CLXXII (b) CLXI (c) CLXII
  3. 3.Which is bigger: −5 or −12? (a) −12 (b) −5
  4. 4.What number is the Roman numeral DCCC?
  5. 5.What number is the Roman numeral CLVIII?
  6. 6.At night the temperature in Manali was −5 °C. By noon it had gone up by 12 °C. What was the temperature at noon (in °C)?
  7. 7.What number is the Roman numeral V?
  8. 8.What is 48 + (−16)? =
  9. 9.What number is the Roman numeral CX?
  10. 10.Which is smaller: −5 or −19? (a) −5 (b) −19
  11. 11.Which is smaller: 17 or −3? (a) 17 (b) −3
  12. 12.How is 487 written in Roman numerals? (a) CCCCLXXXVII (b) CDLXXXVII (c) CDLXXXVI
  13. 13.Which is smaller: −13 or −3? (a) −3 (b) −13
  14. 14.What is 24 + (−18)? =
  15. 15.Which is bigger: 5 or −11? (a) −11 (b) 5
  16. 16.How is 492 written in Roman numerals? (a) CCCCLXXXXII (b) CDXCII (c) CDXCI
  17. 17.What is (−9) + 4? (a) 13 (b) 5 (c) −13 (d) −5
  18. 18.What number is the Roman numeral CCCXLIII?
  19. 19.Which is smaller: −17 or −8? (a) −17 (b) −8
  20. 20.How is 929 written in Roman numerals? (a) CMXXVIII (b) DCCCCXXVIIII (c) CMXXIX
  21. 21.How is 483 written in Roman numerals? (a) CDLXXXIII (b) CCCCLXXXIII (c) CDLXXXII
  22. 22.What number is the Roman numeral CMXCI?
  23. 23.Which is bigger: −18 or 1? (a) 1 (b) −18
  24. 24.What is 31 + (−20)? =
  25. 25.What is 47 + (−29)? =
  26. 26.At night the temperature in Leh was −8 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
  27. 27.What is (−24) + 44? =
  28. 28.Which is smaller: −9 or −13? (a) −9 (b) −13
  29. 29.What is 46 + (−29)? =
  30. 30.How many integers are there between −2 and 5? (Do not count −2 and 5 themselves.)
  31. 31.What is (−6) + 21? =
  32. 32.On a number line, start at −12 and move 13 steps to the left. Where do you land? (a) 25 (b) 1 (c) −25
  33. 33.On a number line, start at −12 and move 5 steps to the left. Where do you land? (a) −7 (b) −17 (c) 17
  34. 34.What is (−7) + (−2)? (a) −5 (b) 9 (c) 5 (d) −9
  35. 35.On a number line, start at −4 and move 24 steps to the right. Where do you land? (a) 20 (b) −20 (c) −28
  36. 36.How many integers are there between −4 and 4? (Do not count −4 and 4 themselves.)
  37. 37.What is (−2) + 6? =
  38. 38.How is 72 written in Roman numerals? (a) LXXXII (b) LXXII (c) LXXI
  39. 39.How many integers are there between −3 and 12? (Do not count −3 and 12 themselves.)
  40. 40.At night the temperature in Manali was −5 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?

Answer key

  1. 22
  2. CLXII
  3. −5
  4. 800
  5. 158
  6. 7
  7. 5
  8. 32
  9. 110
  10. −19
  11. −3
  12. CDLXXXVII
  13. −13
  14. 6
  15. 5
  16. CDXCII
  17. −5
  18. 343
  19. −17
  20. CMXXIX
  21. CDLXXXIII
  22. 991
  23. 1
  24. 11
  25. 18
  26. 10
  27. 20
  28. −13
  29. 17
  30. 6
  31. 15
  32. −25
  33. −17
  34. −9
  35. 20
  36. 7
  37. 4
  38. LXXII
  39. 14
  40. 12

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