Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 105 · 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 Leh was −11 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
2. 2.What is 8 + (−3)? =
3. 3.What is 48 + (−29)? =
4. 4.On a number line, start at −5 and move 6 steps to the left. Where do you land? (a) −11 (b) 11 (c) 1
5. 5.What is (−25) + (−12)? (a) −13 (b) −37 (c) 13 (d) 37
6. 6.How many integers are there between −8 and 1? (Do not count −8 and 1 themselves.)
7. 7.How many integers are there between −5 and 3? (Do not count −5 and 3 themselves.)
8. 8.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)?
9. 9.How is 99 written in Roman numerals? (a) LXXXXVIIII (b) XCVIII (c) XCIX
10. 10.What is 50 + (−21)? =
11. 11.What is 4 − 17? (a) −21 (b) −13 (c) 21 (d) 13
12. 12.What number is the Roman numeral XC?
13. 13.Which is bigger: 16 or −6? (a) 16 (b) −6
14. 14.What number is the Roman numeral XCII?
15. 15.On a number line, start at −4 and move 5 steps to the right. Where do you land? (a) −9 (b) 1 (c) −1
16. 16.At night the temperature in Shimla was −8 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
17. 17.Which is bigger: −14 or 13? (a) −14 (b) 13
18. 18.How is 760 written in Roman numerals? (a) DCCLX (b) DCCLXX (c) DCCLIX
19. 19.Which is smaller: −19 or 0? (a) 0 (b) −19
20. 20.At night the temperature in Leh was −2 °C. By noon it had gone up by 14 °C. What was the temperature at noon (in °C)?
21. 21.What is (−18) + 6? (a) −24 (b) 24 (c) −12 (d) 12
22. 22.Which is smaller: 6 or −20? (a) 6 (b) −20
23. 23.At night the temperature in Manali was −6 °C. By noon it had gone up by 16 °C. What was the temperature at noon (in °C)?
24. 24.At night the temperature in Tawang was −13 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
25. 25.What is (−14) + (−8)? (a) 22 (b) 6 (c) −6 (d) −22
26. 26.Which is bigger: −18 or −20? (a) −18 (b) −20
27. 27.What is 12 − 27? (a) 15 (b) −39 (c) −15 (d) 39
28. 28.What is (−26) + 32? =
29. 29.At night the temperature in Shimla was −3 °C. By noon it had gone up by 13 °C. What was the temperature at noon (in °C)?
30. 30.How is 777 written in Roman numerals? (a) DCCLXXXVII (b) DCCLXXVII (c) DCCLXXVI
31. 31.What is (−26) + (−17)? (a) 43 (b) −43 (c) −9 (d) 9
32. 32.At night the temperature in Srinagar was −9 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
33. 33.How many integers are there between −11 and 2? (Do not count −11 and 2 themselves.)
34. 34.How many integers are there between −6 and 3? (Do not count −6 and 3 themselves.)
35. 35.What is (−29) + 39? =
36. 36.What number is the Roman numeral XI?
37. 37.On a number line, start at −3 and move 2 steps to the left. Where do you land? (a) 5 (b) −5 (c) −1
38. 38.Which is bigger: −11 or 14? (a) −11 (b) 14
39. 39.How is 88 written in Roman numerals? (a) LXXXVII (b) XCVIII (c) LXXXVIII
40. 40.What number is the Roman numeral LXXXI?

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