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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 829 · 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 is 142 written in Roman numerals? (a) CXLII (b) CXXXXII (c) CXLI
  2. 2.What is (−30) + 31? =
  3. 3.How is 365 written in Roman numerals? (a) CCCLXV (b) CCCLXIV (c) CCCLXXV
  4. 4.What is (−9) + 2? (a) −7 (b) −11 (c) 11 (d) 7
  5. 5.What is (−20) + 12? (a) 32 (b) −8 (c) −32 (d) 8
  6. 6.What is (−9) + 30? =
  7. 7.At night the temperature in Shimla was −10 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
  8. 8.What is 9 − 22? (a) −31 (b) 31 (c) 13 (d) −13
  9. 9.Which is bigger: 20 or −20? (a) 20 (b) −20
  10. 10.How many integers are there between −9 and 5? (Do not count −9 and 5 themselves.)
  11. 11.How many integers are there between −10 and 6? (Do not count −10 and 6 themselves.)
  12. 12.At night the temperature in Gulmarg was −11 °C. By noon it had gone up by 28 °C. What was the temperature at noon (in °C)?
  13. 13.Which is smaller: −17 or −2? (a) −2 (b) −17
  14. 14.On a number line, start at −4 and move 15 steps to the left. Where do you land? (a) 19 (b) −19 (c) 11
  15. 15.Which is smaller: 16 or −5? (a) 16 (b) −5
  16. 16.At night the temperature in Gulmarg was −4 °C. By noon it had gone up by 8 °C. What was the temperature at noon (in °C)?
  17. 17.Which is smaller: −7 or 14? (a) 14 (b) −7
  18. 18.What number is the Roman numeral DXVI?
  19. 19.What number is the Roman numeral LXXXI?
  20. 20.At night the temperature in Manali was −6 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
  21. 21.Which is bigger: 15 or −10? (a) −10 (b) 15
  22. 22.How many integers are there between −2 and 4? (Do not count −2 and 4 themselves.)
  23. 23.What is (−29) + 21? (a) 8 (b) −8 (c) 50 (d) −50
  24. 24.What is (−19) + 17? (a) 36 (b) −2 (c) −36 (d) 2
  25. 25.Which is smaller: −17 or −9? (a) −9 (b) −17
  26. 26.At night the temperature in Srinagar was −4 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
  27. 27.How many integers are there between −12 and 9? (Do not count −12 and 9 themselves.)
  28. 28.What is (−6) + (−3)? (a) −9 (b) −3 (c) 9 (d) 3
  29. 29.How many integers are there between −11 and 4? (Do not count −11 and 4 themselves.)
  30. 30.What is (−24) + 45? =
  31. 31.What is 34 + (−10)? =
  32. 32.Which is smaller: −14 or −7? (a) −7 (b) −14
  33. 33.At night the temperature in Srinagar was −14 °C. By noon it had gone up by 34 °C. What was the temperature at noon (in °C)?
  34. 34.What is (−17) + 30? =
  35. 35.What is 44 + (−5)? =
  36. 36.What is (−19) + (−17)? (a) −36 (b) 36 (c) −2 (d) 2
  37. 37.What is (−30) + 33? =
  38. 38.What is 42 + (−28)? =
  39. 39.How many integers are there between −11 and 2? (Do not count −11 and 2 themselves.)
  40. 40.What is (−23) + (−24)? (a) −47 (b) −1 (c) 47 (d) 1

Answer key

  1. CXLII
  2. 1
  3. CCCLXV
  4. −7
  5. −8
  6. 21
  7. 1
  8. −13
  9. 20
  10. 13
  11. 15
  12. 17
  13. −17
  14. −19
  15. −5
  16. 4
  17. −7
  18. 516
  19. 81
  20. 15
  21. 15
  22. 5
  23. −8
  24. −2
  25. −17
  26. 20
  27. 20
  28. −9
  29. 14
  30. 21
  31. 24
  32. −14
  33. 20
  34. 13
  35. 39
  36. −36
  37. 3
  38. 14
  39. 12
  40. −47

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