Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 122 · 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.How many integers are there between −10 and 10? (Do not count −10 and 10 themselves.)
2. 2.How many integers are there between −9 and 1? (Do not count −9 and 1 themselves.)
3. 3.What is (−5) + 1? (a) 6 (b) −4 (c) −6 (d) 4
4. 4.What number is the Roman numeral CCXLIX?
5. 5.What is (−19) + 37? =
6. 6.How many integers are there between −6 and 11? (Do not count −6 and 11 themselves.)
7. 7.What number is the Roman numeral CCCXLIII?
8. 8.How many integers are there between −5 and 10? (Do not count −5 and 10 themselves.)
9. 9.At night the temperature in Leh was −14 °C. By noon it had gone up by 29 °C. What was the temperature at noon (in °C)?
10. 10.On a number line, start at −5 and move 25 steps to the left. Where do you land? (a) 30 (b) 20 (c) −30
11. 11.How is 81 written in Roman numerals? (a) LXXX (b) LXXXI (c) XCI
12. 12.What number is the Roman numeral DCCLXXXVII?
13. 13.What is 3 − 14? (a) −17 (b) −11 (c) 11 (d) 17
14. 14.On a number line, start at −8 and move 3 steps to the right. Where do you land? (a) −11 (b) −5 (c) 5
15. 15.What is 3 − 27? (a) 24 (b) −24 (c) 30 (d) −30
16. 16.What is (−18) + 48? =
17. 17.How is 42 written in Roman numerals? (a) XLI (b) XLII (c) XXXXII
18. 18.How is 861 written in Roman numerals? (a) DCCCLX (b) DCCCLXI (c) DCCCLXXI
19. 19.On a number line, start at −8 and move 22 steps to the left. Where do you land? (a) 14 (b) −30 (c) 30
20. 20.What is 28 + (−20)? =
21. 21.What number is the Roman numeral LXXVI?
22. 22.How many integers are there between −6 and 1? (Do not count −6 and 1 themselves.)
23. 23.Which is smaller: 10 or −15? (a) 10 (b) −15
24. 24.At night the temperature in Tawang was −2 °C. By noon it had gone up by 5 °C. What was the temperature at noon (in °C)?
25. 25.How is 458 written in Roman numerals? (a) CCCCLVIII (b) CDLVIII (c) CDLVII
26. 26.Which is smaller: −2 or −12? (a) −12 (b) −2
27. 27.How is 46 written in Roman numerals? (a) XLV (b) XXXXVI (c) XLVI
28. 28.How many integers are there between −3 and 2? (Do not count −3 and 2 themselves.)
29. 29.How many integers are there between −2 and 5? (Do not count −2 and 5 themselves.)
30. 30.What is (−9) + 46? =
31. 31.On a number line, start at −14 and move 14 steps to the right. Where do you land? (a) 28 (b) 0 (c) −28
32. 32.How many integers are there between −8 and 11? (Do not count −8 and 11 themselves.)
33. 33.What number is the Roman numeral CXLVII?
34. 34.What is (−1) + 21? =
35. 35.How many integers are there between −4 and 12? (Do not count −4 and 12 themselves.)
36. 36.What is 3 − 7? (a) 10 (b) −10 (c) 4 (d) −4
37. 37.Which is bigger: −8 or 8? (a) 8 (b) −8
38. 38.What is (−15) + 40? =
39. 39.At night the temperature in Manali was −7 °C. By noon it had gone up by 9 °C. What was the temperature at noon (in °C)?
40. 40.Which is smaller: −13 or 5? (a) 5 (b) −13

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