Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 445 · 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 (−29) + (−10)? (a) −39 (b) 19 (c) 39 (d) −19
2. 2.Which is smaller: −10 or −16? (a) −16 (b) −10
3. 3.At night the temperature in Shimla was −11 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
4. 4.At night the temperature in Gulmarg was −10 °C. By noon it had gone up by 30 °C. What was the temperature at noon (in °C)?
5. 5.What is 13 + (−8)? =
6. 6.At night the temperature in Manali was −11 °C. By noon it had gone up by 22 °C. What was the temperature at noon (in °C)?
7. 7.How is 750 written in Roman numerals? (a) DCCXLIX (b) DCCL (c) DCCLX
8. 8.What is 21 + (−6)? =
9. 9.How many integers are there between −4 and 9? (Do not count −4 and 9 themselves.)
10. 10.At night the temperature in Manali was −9 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
11. 11.At night the temperature in Tawang was −2 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
12. 12.Which is bigger: 20 or −15? (a) 20 (b) −15
13. 13.What is (−13) + 42? =
14. 14.Which is bigger: −10 or −20? (a) −10 (b) −20
15. 15.What number is the Roman numeral XXXVIII?
16. 16.What is (−21) + (−7)? (a) −28 (b) −14 (c) 28 (d) 14
17. 17.What number is the Roman numeral CXLI?
18. 18.On a number line, start at −14 and move 15 steps to the right. Where do you land? (a) −1 (b) −29 (c) 1
19. 19.What is (−23) + (−11)? (a) 12 (b) 34 (c) −34 (d) −12
20. 20.On a number line, start at −10 and move 17 steps to the right. Where do you land? (a) −7 (b) 7 (c) −27
21. 21.What number is the Roman numeral DCCCLXXVII?
22. 22.On a number line, start at −15 and move 1 steps to the right. Where do you land? (a) 14 (b) −16 (c) −14
23. 23.How is 1 written in Roman numerals? (a) II (b) I (c) XI
24. 24.What number is the Roman numeral CMLXIV?
25. 25.How is 590 written in Roman numerals? (a) DLXXXX (b) DXC (c) DLXXXIX
26. 26.Which is bigger: −9 or 15? (a) 15 (b) −9
27. 27.Which is smaller: 9 or −20? (a) 9 (b) −20
28. 28.How many integers are there between −5 and 12? (Do not count −5 and 12 themselves.)
29. 29.How many integers are there between −4 and 4? (Do not count −4 and 4 themselves.)
30. 30.What is (−18) + (−5)? (a) −13 (b) −23 (c) 23 (d) 13
31. 31.How many integers are there between −5 and 5? (Do not count −5 and 5 themselves.)
32. 32.Which is smaller: 6 or −2? (a) 6 (b) −2
33. 33.How many integers are there between −12 and 1? (Do not count −12 and 1 themselves.)
34. 34.What is (−30) + (−27)? (a) −3 (b) 57 (c) −57 (d) 3
35. 35.What is (−26) + (−3)? (a) 29 (b) −29 (c) −23 (d) 23
36. 36.What is (−7) + (−23)? (a) −30 (b) −16 (c) 16 (d) 30
37. 37.On a number line, start at −6 and move 22 steps to the right. Where do you land? (a) −28 (b) 16 (c) −16
38. 38.On a number line, start at −8 and move 11 steps to the right. Where do you land? (a) −19 (b) 3 (c) −3
39. 39.How is 13 written in Roman numerals? (a) XII (b) XIII (c) XXIII
40. 40.At night the temperature in Leh was −14 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?

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