Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 628 · 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.On a number line, start at −3 and move 20 steps to the left. Where do you land? (a) 23 (b) 17 (c) −23
2. 2.What number is the Roman numeral XX?
3. 3.At night the temperature in Manali was −11 °C. By noon it had gone up by 15 °C. What was the temperature at noon (in °C)?
4. 4.How many integers are there between −5 and 1? (Do not count −5 and 1 themselves.)
5. 5.What number is the Roman numeral CDLXXX?
6. 6.How many integers are there between −3 and 11? (Do not count −3 and 11 themselves.)
7. 7.What number is the Roman numeral XLVII?
8. 8.What number is the Roman numeral LXXXIII?
9. 9.On a number line, start at −7 and move 5 steps to the left. Where do you land? (a) −12 (b) −2 (c) 12
10. 10.What is (−2) + 12? =
11. 11.What is (−13) + 41? =
12. 12.What is (−10) + 2? (a) −12 (b) −8 (c) 12 (d) 8
13. 13.What is (−14) + 36? =
14. 14.What is 40 + (−24)? =
15. 15.At night the temperature in Leh was −15 °C. By noon it had gone up by 29 °C. What was the temperature at noon (in °C)?
16. 16.At night the temperature in Tawang was −14 °C. By noon it had gone up by 30 °C. What was the temperature at noon (in °C)?
17. 17.How many integers are there between −3 and 3? (Do not count −3 and 3 themselves.)
18. 18.Which is bigger: −1 or −4? (a) −4 (b) −1
19. 19.At night the temperature in Leh was −2 °C. By noon it had gone up by 4 °C. What was the temperature at noon (in °C)?
20. 20.Which is smaller: −14 or 1? (a) 1 (b) −14
21. 21.On a number line, start at −10 and move 9 steps to the left. Where do you land? (a) −1 (b) 19 (c) −19
22. 22.What is (−7) + 48? =
23. 23.At night the temperature in Gulmarg was −11 °C. By noon it had gone up by 22 °C. What was the temperature at noon (in °C)?
24. 24.At night the temperature in Manali was −5 °C. By noon it had gone up by 16 °C. What was the temperature at noon (in °C)?
25. 25.What is 49 + (−23)? =
26. 26.On a number line, start at −4 and move 7 steps to the left. Where do you land? (a) 3 (b) 11 (c) −11
27. 27.On a number line, start at −7 and move 23 steps to the right. Where do you land? (a) −30 (b) −16 (c) 16
28. 28.How is 37 written in Roman numerals? (a) XXXVII (b) XXXVI (c) XLVII
29. 29.Which is smaller: −8 or −13? (a) −8 (b) −13
30. 30.At night the temperature in Srinagar was −4 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
31. 31.At night the temperature in Manali was −5 °C. By noon it had gone up by 9 °C. What was the temperature at noon (in °C)?
32. 32.What is (−30) + 6? (a) −24 (b) −36 (c) 24 (d) 36
33. 33.What is (−11) + 25? =
34. 34.At night the temperature in Srinagar was −5 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
35. 35.On a number line, start at −6 and move 12 steps to the left. Where do you land? (a) 18 (b) −18 (c) 6
36. 36.On a number line, start at −15 and move 5 steps to the right. Where do you land? (a) −20 (b) 10 (c) −10
37. 37.Which is bigger: −11 or 15? (a) −11 (b) 15
38. 38.What is 36 + (−1)? =
39. 39.What is 4 − 25? (a) 29 (b) −29 (c) −21 (d) 21
40. 40.Which is bigger: −15 or −6? (a) −6 (b) −15

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