Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 623 · 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 Gulmarg was −10 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
2. 2.What is 1 − 25? (a) 26 (b) 24 (c) −24 (d) −26
3. 3.On a number line, start at −12 and move 15 steps to the right. Where do you land? (a) 3 (b) −27 (c) −3
4. 4.On a number line, start at −12 and move 16 steps to the right. Where do you land? (a) 4 (b) −28 (c) −4
5. 5.Which is bigger: 3 or −16? (a) −16 (b) 3
6. 6.What number is the Roman numeral XXV?
7. 7.How is 313 written in Roman numerals? (a) CCCXXIII (b) CCCXII (c) CCCXIII
8. 8.On a number line, start at −3 and move 1 steps to the right. Where do you land? (a) −4 (b) 2 (c) −2
9. 9.On a number line, start at −13 and move 23 steps to the right. Where do you land? (a) −36 (b) −10 (c) 10
10. 10.What is (−23) + 26? =
11. 11.On a number line, start at −6 and move 3 steps to the left. Where do you land? (a) −3 (b) −9 (c) 9
12. 12.At night the temperature in Manali was −12 °C. By noon it had gone up by 31 °C. What was the temperature at noon (in °C)?
13. 13.On a number line, start at −12 and move 24 steps to the right. Where do you land? (a) −12 (b) −36 (c) 12
14. 14.What is 37 + (−17)? =
15. 15.What is 14 + (−13)? =
16. 16.Which is smaller: −9 or 0? (a) −9 (b) 0
17. 17.Which is smaller: −4 or −10? (a) −10 (b) −4
18. 18.What number is the Roman numeral XXXIX?
19. 19.Which is bigger: 4 or −3? (a) 4 (b) −3
20. 20.How is 100 written in Roman numerals? (a) CX (b) C (c) XCIX
21. 21.Which is smaller: −13 or −15? (a) −13 (b) −15
22. 22.At night the temperature in Tawang was −3 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
23. 23.How is 442 written in Roman numerals? (a) CDXLI (b) CDXLII (c) CCCCXXXXII
24. 24.What number is the Roman numeral IV?
25. 25.At night the temperature in Manali was −6 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
26. 26.On a number line, start at −14 and move 11 steps to the left. Where do you land? (a) −3 (b) −25 (c) 25
27. 27.Which is smaller: −15 or 13? (a) 13 (b) −15
28. 28.How is 372 written in Roman numerals? (a) CCCLXXXII (b) CCCLXXI (c) CCCLXXII
29. 29.On a number line, start at −6 and move 9 steps to the right. Where do you land? (a) −3 (b) 3 (c) −15
30. 30.On a number line, start at −9 and move 7 steps to the right. Where do you land? (a) −2 (b) 2 (c) −16
31. 31.How is 55 written in Roman numerals? (a) LV (b) LIV (c) LXV
32. 32.What is 36 + (−20)? =
33. 33.What is (−20) + (−17)? (a) −37 (b) −3 (c) 37 (d) 3
34. 34.Which is smaller: 0 or −2? (a) 0 (b) −2
35. 35.What is 5 + (−1)? =
36. 36.How is 7 written in Roman numerals? (a) VI (b) XVII (c) VII
37. 37.Which is bigger: −15 or −18? (a) −18 (b) −15
38. 38.What is (−17) + 15? (a) 2 (b) −32 (c) −2 (d) 32
39. 39.What is 11 − 20? (a) −9 (b) −31 (c) 31 (d) 9
40. 40.How is 15 written in Roman numerals? (a) XXV (b) XIV (c) XV

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