Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 146 · 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 −9 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
2. 2.Which is smaller: −15 or 3? (a) −15 (b) 3
3. 3.How many integers are there between −10 and 2? (Do not count −10 and 2 themselves.)
4. 4.How many integers are there between −5 and 7? (Do not count −5 and 7 themselves.)
5. 5.How many integers are there between −5 and 2? (Do not count −5 and 2 themselves.)
6. 6.At night the temperature in Srinagar was −6 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
7. 7.How is 135 written in Roman numerals? (a) CXXXV (b) CXLV (c) CXXXIV
8. 8.What is (−9) + (−29)? (a) 38 (b) −20 (c) 20 (d) −38
9. 9.How is 37 written in Roman numerals? (a) XLVII (b) XXXVI (c) XXXVII
10. 10.What is (−22) + (−5)? (a) 17 (b) −27 (c) 27 (d) −17
11. 11.How many integers are there between −1 and 7? (Do not count −1 and 7 themselves.)
12. 12.Which is smaller: 8 or −3? (a) −3 (b) 8
13. 13.What is (−14) + 16? =
14. 14.What is 3 − 12? (a) −15 (b) 9 (c) −9 (d) 15
15. 15.On a number line, start at −6 and move 22 steps to the left. Where do you land? (a) 16 (b) −28 (c) 28
16. 16.At night the temperature in Gulmarg was −12 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
17. 17.What is (−12) + 28? =
18. 18.Which is smaller: −19 or −3? (a) −3 (b) −19
19. 19.What number is the Roman numeral DLXVI?
20. 20.Which is bigger: 18 or −15? (a) 18 (b) −15
21. 21.What is 15 − 26? (a) −41 (b) 11 (c) 41 (d) −11
22. 22.What is 44 + (−20)? =
23. 23.On a number line, start at −13 and move 25 steps to the right. Where do you land? (a) 12 (b) −38 (c) −12
24. 24.How many integers are there between −8 and 10? (Do not count −8 and 10 themselves.)
25. 25.How is 48 written in Roman numerals? (a) XXXXVIII (b) XLVIII (c) XLVII
26. 26.How is 26 written in Roman numerals? (a) XXV (b) XXVI (c) XXXVI
27. 27.At night the temperature in Shimla was −11 °C. By noon it had gone up by 12 °C. What was the temperature at noon (in °C)?
28. 28.What is 7 − 8? (a) 1 (b) 15 (c) −1 (d) −15
29. 29.What number is the Roman numeral LX?
30. 30.At night the temperature in Leh was −3 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
31. 31.What is (−20) + 12? (a) −32 (b) 8 (c) 32 (d) −8
32. 32.At night the temperature in Srinagar was −10 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
33. 33.At night the temperature in Srinagar was −5 °C. By noon it had gone up by 12 °C. What was the temperature at noon (in °C)?
34. 34.What number is the Roman numeral CXXIV?
35. 35.On a number line, start at −3 and move 17 steps to the right. Where do you land? (a) 14 (b) −20 (c) −14
36. 36.What number is the Roman numeral CCCLI?
37. 37.On a number line, start at −4 and move 22 steps to the right. Where do you land? (a) −26 (b) −18 (c) 18
38. 38.What number is the Roman numeral XLIII?
39. 39.How is 22 written in Roman numerals? (a) XXI (b) XXII (c) XXXII
40. 40.What is (−26) + 33? =

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