Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 149 · 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.How many integers are there between −10 and 2? (Do not count −10 and 2 themselves.)
2. 2.How many integers are there between −3 and 6? (Do not count −3 and 6 themselves.)
3. 3.At night the temperature in Leh was −9 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
4. 4.Which is bigger: 10 or −10? (a) −10 (b) 10
5. 5.How many integers are there between −5 and 2? (Do not count −5 and 2 themselves.)
6. 6.On a number line, start at −4 and move 15 steps to the right. Where do you land? (a) −11 (b) 11 (c) −19
7. 7.At night the temperature in Manali was −9 °C. By noon it had gone up by 27 °C. What was the temperature at noon (in °C)?
8. 8.How is 326 written in Roman numerals? (a) CCCXXXVI (b) CCCXXVI (c) CCCXXV
9. 9.Which is bigger: −14 or −20? (a) −20 (b) −14
10. 10.Which is bigger: −9 or −2? (a) −2 (b) −9
11. 11.How is 872 written in Roman numerals? (a) DCCCLXXII (b) DCCCLXXXII (c) DCCCLXXI
12. 12.Which is bigger: −8 or 13? (a) 13 (b) −8
13. 13.What is (−1) + 20? =
14. 14.At night the temperature in Shimla was −2 °C. By noon it had gone up by 8 °C. What was the temperature at noon (in °C)?
15. 15.What is (−12) + 25? =
16. 16.At night the temperature in Leh was −3 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
17. 17.On a number line, start at −3 and move 11 steps to the right. Where do you land? (a) −14 (b) 8 (c) −8
18. 18.What number is the Roman numeral XIV?
19. 19.Which is bigger: 14 or −12? (a) −12 (b) 14
20. 20.On a number line, start at −12 and move 6 steps to the right. Where do you land? (a) 6 (b) −18 (c) −6
21. 21.What number is the Roman numeral CMLXXXIII?
22. 22.At night the temperature in Srinagar was −13 °C. By noon it had gone up by 31 °C. What was the temperature at noon (in °C)?
23. 23.On a number line, start at −6 and move 2 steps to the right. Where do you land? (a) 4 (b) −8 (c) −4
24. 24.What is (−10) + 18? =
25. 25.What number is the Roman numeral LXXXIV?
26. 26.What is 21 + (−14)? =
27. 27.On a number line, start at −5 and move 15 steps to the left. Where do you land? (a) −20 (b) 20 (c) 10
28. 28.On a number line, start at −4 and move 17 steps to the left. Where do you land? (a) −21 (b) 13 (c) 21
29. 29.What is (−23) + 39? =
30. 30.At night the temperature in Shimla was −14 °C. By noon it had gone up by 31 °C. What was the temperature at noon (in °C)?
31. 31.On a number line, start at −4 and move 8 steps to the right. Where do you land? (a) −4 (b) −12 (c) 4
32. 32.At night the temperature in Gulmarg was −2 °C. By noon it had gone up by 5 °C. What was the temperature at noon (in °C)?
33. 33.What is (−23) + 45? =
34. 34.How many integers are there between −9 and 4? (Do not count −9 and 4 themselves.)
35. 35.What number is the Roman numeral XXII?
36. 36.Which is smaller: 15 or −5? (a) −5 (b) 15
37. 37.How many integers are there between −6 and 7? (Do not count −6 and 7 themselves.)
38. 38.What is 8 − 14? (a) 6 (b) 22 (c) −22 (d) −6
39. 39.What is (−16) + 22? =
40. 40.At night the temperature in Manali was −4 °C. By noon it had gone up by 13 °C. What was the temperature at noon (in °C)?

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