Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 331 · 40 sums

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.

1. 1.On a number line, start at −15 and move 2 steps to the left. Where do you land? (a) −13 (b) 17 (c) −17
2. 2.What is (−4) + 33? =
3. 3.At night the temperature in Gulmarg was −13 °C. By noon it had gone up by 29 °C. What was the temperature at noon (in °C)?
4. 4.What is 13 + (−11)? =
5. 5.At night the temperature in Srinagar was −14 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
6. 6.At night the temperature in Tawang was −7 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
7. 7.How is 20 written in Roman numerals? (a) XIX (b) XX (c) XXX
8. 8.At night the temperature in Shimla was −15 °C. By noon it had gone up by 31 °C. What was the temperature at noon (in °C)?
9. 9.How is 97 written in Roman numerals? (a) XCVII (b) XCVI (c) LXXXXVII
10. 10.What is 9 + (−2)? =
11. 11.At night the temperature in Leh was −2 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
12. 12.At night the temperature in Shimla was −4 °C. By noon it had gone up by 20 °C. What was the temperature at noon (in °C)?
13. 13.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)?
14. 14.How is 431 written in Roman numerals? (a) CDXXXI (b) CDXXX (c) CCCCXXXI
15. 15.How many integers are there between −8 and 11? (Do not count −8 and 11 themselves.)
16. 16.At night the temperature in Shimla was −3 °C. By noon it had gone up by 14 °C. What was the temperature at noon (in °C)?
17. 17.What is 33 + (−13)? =
18. 18.How many integers are there between −10 and 10? (Do not count −10 and 10 themselves.)
19. 19.What is 21 + (−13)? =
20. 20.On a number line, start at −15 and move 4 steps to the right. Where do you land? (a) 11 (b) −11 (c) −19
21. 21.On a number line, start at −7 and move 16 steps to the right. Where do you land? (a) 9 (b) −9 (c) −23
22. 22.What is (−17) + 8? (a) 25 (b) −25 (c) 9 (d) −9
23. 23.What number is the Roman numeral DXXXIX?
24. 24.What number is the Roman numeral CXLVI?
25. 25.How many integers are there between −11 and 1? (Do not count −11 and 1 themselves.)
26. 26.On a number line, start at −7 and move 7 steps to the right. Where do you land? (a) 14 (b) −14 (c) 0
27. 27.At night the temperature in Leh was −14 °C. By noon it had gone up by 31 °C. What was the temperature at noon (in °C)?
28. 28.What number is the Roman numeral CCCLXI?
29. 29.At night the temperature in Gulmarg was −8 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
30. 30.What is 42 + (−4)? =
31. 31.On a number line, start at −1 and move 7 steps to the left. Where do you land? (a) −8 (b) 6 (c) 8
32. 32.What is (−6) + 20? =
33. 33.How is 99 written in Roman numerals? (a) XCVIII (b) LXXXXVIIII (c) XCIX
34. 34.What number is the Roman numeral CDLXIII?
35. 35.How many integers are there between −6 and 9? (Do not count −6 and 9 themselves.)
36. 36.What number is the Roman numeral LXXX?
37. 37.How is 186 written in Roman numerals? (a) CXCVI (b) CLXXXVI (c) CLXXXV
38. 38.What is (−20) + 2? (a) 22 (b) −18 (c) 18 (d) −22
39. 39.How is 12 written in Roman numerals? (a) XI (b) XXII (c) XII
40. 40.How is 15 written in Roman numerals? (a) XIV (b) XV (c) XXV

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