Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 488 · 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.What is (−11) + (−15)? (a) −4 (b) 26 (c) 4 (d) −26
2. 2.What is 1 − 3? (a) −2 (b) 4 (c) −4 (d) 2
3. 3.Which is bigger: 18 or −7? (a) −7 (b) 18
4. 4.How is 778 written in Roman numerals? (a) DCCLXXVII (b) DCCLXXVIII (c) DCCLXXXVIII
5. 5.What number is the Roman numeral CXXIV?
6. 6.At night the temperature in Leh was −6 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
7. 7.On a number line, start at −1 and move 1 steps to the right. Where do you land? (a) −2 (b) 0 (c) 2
8. 8.What is (−19) + (−28)? (a) 47 (b) 9 (c) −9 (d) −47
9. 9.What is (−2) + 1? (a) −3 (b) −1 (c) 1 (d) 3
10. 10.Which is bigger: −8 or 4? (a) 4 (b) −8
11. 11.How is 79 written in Roman numerals? (a) LXXVIIII (b) LXXIX (c) LXXVIII
12. 12.How many integers are there between −10 and 9? (Do not count −10 and 9 themselves.)
13. 13.How is 240 written in Roman numerals? (a) CCXXXIX (b) CCXXXX (c) CCXL
14. 14.At night the temperature in Leh was −9 °C. By noon it had gone up by 13 °C. What was the temperature at noon (in °C)?
15. 15.On a number line, start at −5 and move 1 steps to the right. Where do you land? (a) −4 (b) 4 (c) −6
16. 16.Which is smaller: −1 or 6? (a) 6 (b) −1
17. 17.How many integers are there between −9 and 1? (Do not count −9 and 1 themselves.)
18. 18.How is 27 written in Roman numerals? (a) XXVII (b) XXVI (c) XXXVII
19. 19.Which is bigger: −17 or −12? (a) −12 (b) −17
20. 20.What number is the Roman numeral XV?
21. 21.At night the temperature in Srinagar was −12 °C. By noon it had gone up by 26 °C. What was the temperature at noon (in °C)?
22. 22.What is 21 − 25? (a) −46 (b) −4 (c) 4 (d) 46
23. 23.What is (−20) + (−9)? (a) −11 (b) 29 (c) 11 (d) −29
24. 24.What is 50 + (−25)? =
25. 25.Which is smaller: 9 or −16? (a) −16 (b) 9
26. 26.At night the temperature in Shimla was −11 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
27. 27.What number is the Roman numeral XVI?
28. 28.How is 15 written in Roman numerals? (a) XIV (b) XXV (c) XV
29. 29.At night the temperature in Shimla was −2 °C. By noon it had gone up by 6 °C. What was the temperature at noon (in °C)?
30. 30.What is 31 + (−28)? =
31. 31.What number is the Roman numeral DCCCXIX?
32. 32.How is 24 written in Roman numerals? (a) XXIIII (b) XXIV (c) XXIII
33. 33.What is 41 + (−23)? =
34. 34.What is (−14) + 2? (a) −12 (b) 12 (c) 16 (d) −16
35. 35.What is (−8) + 18? =
36. 36.How many integers are there between −7 and 4? (Do not count −7 and 4 themselves.)
37. 37.What number is the Roman numeral IV?
38. 38.On a number line, start at −2 and move 20 steps to the left. Where do you land? (a) 22 (b) 18 (c) −22
39. 39.At night the temperature in Srinagar was −15 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
40. 40.What number is the Roman numeral XCVII?

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