Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 819 · 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.Which is smaller: 19 or −20? (a) −20 (b) 19
2. 2.At night the temperature in Tawang was −7 °C. By noon it had gone up by 26 °C. What was the temperature at noon (in °C)?
3. 3.How is 229 written in Roman numerals? (a) CCXXVIII (b) CCXXVIIII (c) CCXXIX
4. 4.On a number line, start at −12 and move 18 steps to the right. Where do you land? (a) −30 (b) 6 (c) −6
5. 5.Which is smaller: −18 or −20? (a) −18 (b) −20
6. 6.How many integers are there between −9 and 5? (Do not count −9 and 5 themselves.)
7. 7.How many integers are there between −2 and 1? (Do not count −2 and 1 themselves.)
8. 8.How many integers are there between −1 and 11? (Do not count −1 and 11 themselves.)
9. 9.At night the temperature in Tawang was −2 °C. By noon it had gone up by 3 °C. What was the temperature at noon (in °C)?
10. 10.Which is smaller: −2 or −4? (a) −2 (b) −4
11. 11.What is (−5) + 18? =
12. 12.How many integers are there between −9 and 8? (Do not count −9 and 8 themselves.)
13. 13.How many integers are there between −8 and 7? (Do not count −8 and 7 themselves.)
14. 14.How many integers are there between −7 and 11? (Do not count −7 and 11 themselves.)
15. 15.At night the temperature in Tawang was −6 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
16. 16.At night the temperature in Gulmarg was −13 °C. By noon it had gone up by 14 °C. What was the temperature at noon (in °C)?
17. 17.Which is bigger: −12 or −15? (a) −15 (b) −12
18. 18.Which is bigger: 8 or −11? (a) −11 (b) 8
19. 19.Which is bigger: −10 or −17? (a) −17 (b) −10
20. 20.What is 23 − 27? (a) −4 (b) −50 (c) 50 (d) 4
21. 21.What number is the Roman numeral CCCLXI?
22. 22.Which is smaller: −10 or −6? (a) −10 (b) −6
23. 23.What is (−10) + 9? (a) −19 (b) 1 (c) −1 (d) 19
24. 24.At night the temperature in Gulmarg was −6 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
25. 25.How many integers are there between −5 and 12? (Do not count −5 and 12 themselves.)
26. 26.At night the temperature in Tawang was −3 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
27. 27.What is (−4) + (−28)? (a) −24 (b) 24 (c) 32 (d) −32
28. 28.What number is the Roman numeral XCV?
29. 29.At night the temperature in Leh was −12 °C. By noon it had gone up by 29 °C. What was the temperature at noon (in °C)?
30. 30.Which is smaller: −1 or −20? (a) −20 (b) −1
31. 31.What is (−9) + 1? (a) −10 (b) 8 (c) 10 (d) −8
32. 32.On a number line, start at −6 and move 24 steps to the left. Where do you land? (a) −30 (b) 18 (c) 30
33. 33.What is 32 + (−23)? =
34. 34.What is (−24) + 47? =
35. 35.How is 470 written in Roman numerals? (a) CCCCLXX (b) CDLXX (c) CDLXIX
36. 36.What is (−19) + 50? =
37. 37.How many integers are there between −3 and 3? (Do not count −3 and 3 themselves.)
38. 38.What number is the Roman numeral DCCVII?
39. 39.On a number line, start at −2 and move 16 steps to the left. Where do you land? (a) −18 (b) 18 (c) 14
40. 40.How many integers are there between −2 and 8? (Do not count −2 and 8 themselves.)

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