Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 461 · 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 −8 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
2. 2.What is (−25) + 36? =
3. 3.What is 23 + (−19)? =
4. 4.What is (−15) + (−23)? (a) 38 (b) −38 (c) 8 (d) −8
5. 5.How many integers are there between −2 and 10? (Do not count −2 and 10 themselves.)
6. 6.What is (−13) + 33? =
7. 7.Which is bigger: 3 or −18? (a) 3 (b) −18
8. 8.What number is the Roman numeral CMLXXXI?
9. 9.At night the temperature in Shimla was −5 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
10. 10.On a number line, start at −1 and move 22 steps to the right. Where do you land? (a) −21 (b) −23 (c) 21
11. 11.How is 378 written in Roman numerals? (a) CCCLXXXVIII (b) CCCLXXVIII (c) CCCLXXVII
12. 12.Which is bigger: −15 or −14? (a) −14 (b) −15
13. 13.Which is bigger: −5 or −14? (a) −5 (b) −14
14. 14.What number is the Roman numeral DCLXXVI?
15. 15.What number is the Roman numeral XCIV?
16. 16.How is 636 written in Roman numerals? (a) DCXLVI (b) DCXXXV (c) DCXXXVI
17. 17.At night the temperature in Gulmarg was −14 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
18. 18.What is (−26) + 28? =
19. 19.At night the temperature in Manali was −4 °C. By noon it had gone up by 20 °C. What was the temperature at noon (in °C)?
20. 20.On a number line, start at −12 and move 13 steps to the right. Where do you land? (a) −25 (b) 1 (c) −1
21. 21.Which is bigger: −4 or 1? (a) −4 (b) 1
22. 22.On a number line, start at −10 and move 15 steps to the left. Where do you land? (a) 25 (b) −25 (c) 5
23. 23.Which is smaller: −11 or −6? (a) −6 (b) −11
24. 24.What number is the Roman numeral DLXI?
25. 25.How is 927 written in Roman numerals? (a) DCCCCXXVII (b) CMXXVI (c) CMXXVII
26. 26.What is 45 + (−1)? =
27. 27.How many integers are there between −5 and 4? (Do not count −5 and 4 themselves.)
28. 28.Which is bigger: 1 or −7? (a) 1 (b) −7
29. 29.How many integers are there between −9 and 5? (Do not count −9 and 5 themselves.)
30. 30.At night the temperature in Gulmarg was −11 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
31. 31.What is 40 + (−23)? =
32. 32.What number is the Roman numeral XIX?
33. 33.On a number line, start at −1 and move 16 steps to the left. Where do you land? (a) 15 (b) −17 (c) 17
34. 34.How many integers are there between −1 and 6? (Do not count −1 and 6 themselves.)
35. 35.On a number line, start at −9 and move 14 steps to the right. Where do you land? (a) −23 (b) −5 (c) 5
36. 36.What number is the Roman numeral X?
37. 37.Which is bigger: −7 or 8? (a) 8 (b) −7
38. 38.At night the temperature in Gulmarg was −4 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
39. 39.What is 25 + (−7)? =
40. 40.What is 2 − 4? (a) 6 (b) 2 (c) −2 (d) −6

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