Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 663 · 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 −3 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
2. 2.How is 20 written in Roman numerals? (a) XX (b) XIX (c) XXX
3. 3.How is 500 written in Roman numerals? (a) D (b) DX (c) CDXCIX
4. 4.At night the temperature in Srinagar was −14 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
5. 5.How many integers are there between −4 and 3? (Do not count −4 and 3 themselves.)
6. 6.How many integers are there between −3 and 7? (Do not count −3 and 7 themselves.)
7. 7.What is (−18) + 26? =
8. 8.What is 22 + (−2)? =
9. 9.What is (−13) + 10? (a) 3 (b) −23 (c) −3 (d) 23
10. 10.What is (−22) + (−16)? (a) −6 (b) −38 (c) 38 (d) 6
11. 11.What is (−29) + (−16)? (a) 45 (b) 13 (c) −13 (d) −45
12. 12.Which is smaller: 5 or −20? (a) 5 (b) −20
13. 13.What number is the Roman numeral CXXIX?
14. 14.How many integers are there between −2 and 11? (Do not count −2 and 11 themselves.)
15. 15.Which is smaller: −8 or −19? (a) −19 (b) −8
16. 16.What number is the Roman numeral DCCCLXXXII?
17. 17.How many integers are there between −9 and 11? (Do not count −9 and 11 themselves.)
18. 18.What is (−2) + 1? (a) −3 (b) −1 (c) 1 (d) 3
19. 19.What number is the Roman numeral CLXXVI?
20. 20.How is 155 written in Roman numerals? (a) CLIV (b) CLXV (c) CLV
21. 21.What is (−9) + 24? =
22. 22.What number is the Roman numeral CMLXXX?
23. 23.On a number line, start at −8 and move 16 steps to the left. Where do you land? (a) 8 (b) 24 (c) −24
24. 24.On a number line, start at −9 and move 7 steps to the right. Where do you land? (a) −2 (b) −16 (c) 2
25. 25.On a number line, start at −12 and move 13 steps to the left. Where do you land? (a) 25 (b) −25 (c) 1
26. 26.What number is the Roman numeral CCCLIV?
27. 27.Which is bigger: 3 or −18? (a) −18 (b) 3
28. 28.What is 42 + (−22)? =
29. 29.How is 756 written in Roman numerals? (a) DCCLVI (b) DCCLV (c) DCCLXVI
30. 30.What is (−25) + 20? (a) 5 (b) −45 (c) −5 (d) 45
31. 31.How is 26 written in Roman numerals? (a) XXVI (b) XXXVI (c) XXV
32. 32.What is 2 − 19? (a) −21 (b) −17 (c) 21 (d) 17
33. 33.What is 44 + (−28)? =
34. 34.How is 25 written in Roman numerals? (a) XXXV (b) XXV (c) XXIV
35. 35.On a number line, start at −2 and move 24 steps to the right. Where do you land? (a) −22 (b) 22 (c) −26
36. 36.At night the temperature in Srinagar was −12 °C. By noon it had gone up by 29 °C. What was the temperature at noon (in °C)?
37. 37.What number is the Roman numeral XXI?
38. 38.What is 40 + (−19)? =
39. 39.What number is the Roman numeral CXL?
40. 40.What is 3 − 12? (a) 9 (b) −9 (c) −15 (d) 15

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