Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 229 · 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.What number is the Roman numeral XXI?
2. 2.How many integers are there between −3 and 2? (Do not count −3 and 2 themselves.)
3. 3.How is 90 written in Roman numerals? (a) LXXXIX (b) LXXXX (c) XC
4. 4.On a number line, start at −7 and move 4 steps to the right. Where do you land? (a) −11 (b) 3 (c) −3
5. 5.How many integers are there between −6 and 7? (Do not count −6 and 7 themselves.)
6. 6.What number is the Roman numeral LXI?
7. 7.At night the temperature in Srinagar was −7 °C. By noon it had gone up by 27 °C. What was the temperature at noon (in °C)?
8. 8.What is (−12) + 32? =
9. 9.What is (−21) + 18? (a) −3 (b) 39 (c) −39 (d) 3
10. 10.Which is bigger: −14 or −6? (a) −6 (b) −14
11. 11.How many integers are there between −7 and 4? (Do not count −7 and 4 themselves.)
12. 12.How is 1000 written in Roman numerals? (a) CMXCIX (b) CMXC (c) M
13. 13.How many integers are there between −8 and 3? (Do not count −8 and 3 themselves.)
14. 14.How is 34 written in Roman numerals? (a) XXXIV (b) XXXIII (c) XXXIIII
15. 15.On a number line, start at −12 and move 13 steps to the right. Where do you land? (a) −1 (b) −25 (c) 1
16. 16.What is 20 − 25? (a) 5 (b) −5 (c) 45 (d) −45
17. 17.At night the temperature in Tawang was −10 °C. By noon it had gone up by 27 °C. What was the temperature at noon (in °C)?
18. 18.How many integers are there between −1 and 9? (Do not count −1 and 9 themselves.)
19. 19.At night the temperature in Tawang was −2 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
20. 20.How is 23 written in Roman numerals? (a) XXIII (b) XXII (c) XXXIII
21. 21.What is 38 + (−22)? =
22. 22.How is 723 written in Roman numerals? (a) DCCXXIII (b) DCCXXII (c) DCCXXXIII
23. 23.What is 31 + (−4)? =
24. 24.How many integers are there between −2 and 8? (Do not count −2 and 8 themselves.)
25. 25.Which is bigger: −20 or −5? (a) −20 (b) −5
26. 26.On a number line, start at −3 and move 11 steps to the left. Where do you land? (a) −14 (b) 8 (c) 14
27. 27.At night the temperature in Tawang was −11 °C. By noon it had gone up by 20 °C. What was the temperature at noon (in °C)?
28. 28.Which is bigger: 6 or −7? (a) 6 (b) −7
29. 29.Which is smaller: −9 or −17? (a) −17 (b) −9
30. 30.How is 16 written in Roman numerals? (a) XVI (b) XV (c) XXVI
31. 31.Which is smaller: 16 or −4? (a) 16 (b) −4
32. 32.What number is the Roman numeral XXIII?
33. 33.How is 31 written in Roman numerals? (a) XLI (b) XXXI (c) XXX
34. 34.Which is smaller: 4 or −18? (a) −18 (b) 4
35. 35.At night the temperature in Manali was −12 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
36. 36.Which is bigger: 15 or −20? (a) −20 (b) 15
37. 37.How many integers are there between −8 and 1? (Do not count −8 and 1 themselves.)
38. 38.What number is the Roman numeral CLXXX?
39. 39.How is 30 written in Roman numerals? (a) XXX (b) XXIX (c) XL
40. 40.How many integers are there between −4 and 3? (Do not count −4 and 3 themselves.)

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