Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 753 · 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 Manali was −9 °C. By noon it had gone up by 13 °C. What was the temperature at noon (in °C)?
2. 2.On a number line, start at −4 and move 16 steps to the right. Where do you land? (a) −12 (b) 12 (c) −20
3. 3.What is (−21) + 30? =
4. 4.What is 1 − 2? (a) −3 (b) 1 (c) 3 (d) −1
5. 5.What is (−5) + (−5)? (a) 10 (b) −10 (c) 0
6. 6.What is (−13) + 26? =
7. 7.What is 32 + (−5)? =
8. 8.What number is the Roman numeral XXIX?
9. 9.How many integers are there between −12 and 6? (Do not count −12 and 6 themselves.)
10. 10.At night the temperature in Tawang was −9 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
11. 11.What is (−26) + 27? =
12. 12.What is (−19) + 9? (a) 10 (b) −10 (c) −28 (d) 28
13. 13.How many integers are there between −5 and 6? (Do not count −5 and 6 themselves.)
14. 14.On a number line, start at −15 and move 7 steps to the right. Where do you land? (a) −8 (b) 8 (c) −22
15. 15.What is 31 + (−7)? =
16. 16.At night the temperature in Manali was −15 °C. By noon it had gone up by 33 °C. What was the temperature at noon (in °C)?
17. 17.What is 34 + (−15)? =
18. 18.What is (−1) + 14? =
19. 19.On a number line, start at −7 and move 8 steps to the left. Where do you land? (a) 15 (b) −15 (c) 1
20. 20.How is 630 written in Roman numerals? (a) DCXL (b) DCXXIX (c) DCXXX
21. 21.What is 6 − 22? (a) 28 (b) −28 (c) −16 (d) 16
22. 22.Which is bigger: −16 or −20? (a) −16 (b) −20
23. 23.Which is smaller: −15 or −1? (a) −1 (b) −15
24. 24.What is 28 + (−23)? =
25. 25.What number is the Roman numeral XLIV?
26. 26.Which is smaller: 8 or −14? (a) 8 (b) −14
27. 27.Which is bigger: −12 or −5? (a) −12 (b) −5
28. 28.How is 730 written in Roman numerals? (a) DCCXXX (b) DCCXXIX (c) DCCXL
29. 29.What is (−5) + 9? =
30. 30.What number is the Roman numeral XCII?
31. 31.What number is the Roman numeral DLXIII?
32. 32.Which is bigger: −13 or 13? (a) 13 (b) −13
33. 33.At night the temperature in Gulmarg was −3 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
34. 34.What is (−21) + 9? (a) 12 (b) −30 (c) 30 (d) −12
35. 35.How many integers are there between −8 and 12? (Do not count −8 and 12 themselves.)
36. 36.What number is the Roman numeral LXIII?
37. 37.On a number line, start at −2 and move 7 steps to the right. Where do you land? (a) −5 (b) −9 (c) 5
38. 38.What is 1 − 17? (a) 18 (b) −18 (c) −16 (d) 16
39. 39.What number is the Roman numeral CCCXV?
40. 40.What is (−15) + (−30)? (a) 45 (b) 15 (c) −15 (d) −45

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