Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 520 · 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 is 20 + (−7)? =
2. 2.How many integers are there between −3 and 1? (Do not count −3 and 1 themselves.)
3. 3.How is 616 written in Roman numerals? (a) DCXV (b) DCXXVI (c) DCXVI
4. 4.At night the temperature in Manali was −4 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
5. 5.What is 1 − 2? (a) −1 (b) 3 (c) 1 (d) −3
6. 6.How is 680 written in Roman numerals? (a) DCLXXX (b) DCLXXIX (c) DCXC
7. 7.How is 80 written in Roman numerals? (a) XC (b) LXXX (c) LXXIX
8. 8.What number is the Roman numeral XXIII?
9. 9.What is 20 + (−8)? =
10. 10.At night the temperature in Leh was −8 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
11. 11.On a number line, start at −12 and move 13 steps to the right. Where do you land? (a) −25 (b) −1 (c) 1
12. 12.Which is bigger: −2 or −4? (a) −4 (b) −2
13. 13.How many integers are there between −1 and 8? (Do not count −1 and 8 themselves.)
14. 14.What number is the Roman numeral LXXXIII?
15. 15.At night the temperature in Leh was −7 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
16. 16.How many integers are there between −4 and 8? (Do not count −4 and 8 themselves.)
17. 17.What number is the Roman numeral LXXXVII?
18. 18.Which is smaller: −6 or −9? (a) −6 (b) −9
19. 19.How many integers are there between −7 and 6? (Do not count −7 and 6 themselves.)
20. 20.On a number line, start at −3 and move 1 steps to the left. Where do you land? (a) −4 (b) −2 (c) 4
21. 21.Which is bigger: 1 or −1? (a) 1 (b) −1
22. 22.How many integers are there between −8 and 7? (Do not count −8 and 7 themselves.)
23. 23.Which is bigger: −3 or 10? (a) 10 (b) −3
24. 24.How is 979 written in Roman numerals? (a) CMLXXIX (b) CMLXXVIII (c) DCCCCLXXVIIII
25. 25.Which is bigger: 11 or −10? (a) −10 (b) 11
26. 26.How is 2 written in Roman numerals? (a) I (b) XII (c) II
27. 27.On a number line, start at −6 and move 12 steps to the left. Where do you land? (a) 18 (b) 6 (c) −18
28. 28.How is 68 written in Roman numerals? (a) LXXVIII (b) LXVII (c) LXVIII
29. 29.At night the temperature in Leh was −11 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
30. 30.What is (−14) + 32? =
31. 31.On a number line, start at −11 and move 12 steps to the right. Where do you land? (a) −1 (b) −23 (c) 1
32. 32.What number is the Roman numeral XCII?
33. 33.What is (−26) + (−20)? (a) 6 (b) 46 (c) −6 (d) −46
34. 34.On a number line, start at −15 and move 3 steps to the right. Where do you land? (a) 12 (b) −12 (c) −18
35. 35.On a number line, start at −1 and move 2 steps to the right. Where do you land? (a) 1 (b) −1 (c) −3
36. 36.Which is smaller: 6 or −5? (a) −5 (b) 6
37. 37.What is (−27) + 28? =
38. 38.Which is smaller: −12 or −7? (a) −7 (b) −12
39. 39.What is 15 + (−9)? =
40. 40.What is (−8) + 35? =

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