Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 627 · 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.At night the temperature in Srinagar was −15 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
2. 2.How is 671 written in Roman numerals? (a) DCLXX (b) DCLXXI (c) DCLXXXI
3. 3.What is (−24) + (−29)? (a) 5 (b) 53 (c) −53 (d) −5
4. 4.What is 47 + (−19)? =
5. 5.What is (−21) + 46? =
6. 6.How many integers are there between −2 and 8? (Do not count −2 and 8 themselves.)
7. 7.What number is the Roman numeral CCCXVI?
8. 8.How is 14 written in Roman numerals? (a) XIIII (b) XIII (c) XIV
9. 9.Which is bigger: 19 or −15? (a) −15 (b) 19
10. 10.On a number line, start at −10 and move 6 steps to the left. Where do you land? (a) 16 (b) −16 (c) −4
11. 11.At night the temperature in Manali was −6 °C. By noon it had gone up by 20 °C. What was the temperature at noon (in °C)?
12. 12.Which is bigger: −3 or −10? (a) −10 (b) −3
13. 13.Which is bigger: −20 or −3? (a) −20 (b) −3
14. 14.At night the temperature in Srinagar was −8 °C. By noon it had gone up by 28 °C. What was the temperature at noon (in °C)?
15. 15.What number is the Roman numeral CDXXXIII?
16. 16.How is 960 written in Roman numerals? (a) CMLIX (b) DCCCCLX (c) CMLX
17. 17.Which is bigger: −2 or −16? (a) −16 (b) −2
18. 18.How is 23 written in Roman numerals? (a) XXIII (b) XXII (c) XXXIII
19. 19.On a number line, start at −1 and move 15 steps to the right. Where do you land? (a) 14 (b) −16 (c) −14
20. 20.Which is bigger: −6 or −19? (a) −6 (b) −19
21. 21.Which is smaller: 1 or −6? (a) 1 (b) −6
22. 22.Which is smaller: −16 or −1? (a) −1 (b) −16
23. 23.What is 10 − 16? (a) −26 (b) −6 (c) 6 (d) 26
24. 24.What is (−19) + 2? (a) 17 (b) −17 (c) −21 (d) 21
25. 25.How many integers are there between −3 and 12? (Do not count −3 and 12 themselves.)
26. 26.How many integers are there between −7 and 10? (Do not count −7 and 10 themselves.)
27. 27.What number is the Roman numeral XXX?
28. 28.What number is the Roman numeral XLV?
29. 29.What number is the Roman numeral LVI?
30. 30.How is 84 written in Roman numerals? (a) LXXXIII (b) LXXXIV (c) LXXXIIII
31. 31.What is 10 − 19? (a) −9 (b) 29 (c) −29 (d) 9
32. 32.How is 17 written in Roman numerals? (a) XVII (b) XXVII (c) XVI
33. 33.At night the temperature in Tawang was −4 °C. By noon it had gone up by 22 °C. What was the temperature at noon (in °C)?
34. 34.On a number line, start at −13 and move 19 steps to the right. Where do you land? (a) −32 (b) −6 (c) 6
35. 35.How many integers are there between −3 and 1? (Do not count −3 and 1 themselves.)
36. 36.How is 210 written in Roman numerals? (a) CCX (b) CCXX (c) CCIX
37. 37.How is 257 written in Roman numerals? (a) CCLXVII (b) CCLVI (c) CCLVII
38. 38.Which is bigger: −18 or −7? (a) −7 (b) −18
39. 39.At night the temperature in Srinagar was −6 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
40. 40.What number is the Roman numeral DCCX?

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