Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 164 · 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 45 + (−6)? =
2. 2.At night the temperature in Tawang was −10 °C. By noon it had gone up by 26 °C. What was the temperature at noon (in °C)?
3. 3.How many integers are there between −12 and 7? (Do not count −12 and 7 themselves.)
4. 4.At night the temperature in Srinagar was −15 °C. By noon it had gone up by 30 °C. What was the temperature at noon (in °C)?
5. 5.On a number line, start at −10 and move 14 steps to the right. Where do you land? (a) −24 (b) 4 (c) −4
6. 6.At night the temperature in Manali was −8 °C. By noon it had gone up by 22 °C. What was the temperature at noon (in °C)?
7. 7.What is (−5) + 34? =
8. 8.How is 63 written in Roman numerals? (a) LXII (b) LXIII (c) LXXIII
9. 9.At night the temperature in Manali was −5 °C. By noon it had gone up by 12 °C. What was the temperature at noon (in °C)?
10. 10.What is 49 + (−20)? =
11. 11.What number is the Roman numeral CMXXXI?
12. 12.Which is smaller: −16 or 1? (a) 1 (b) −16
13. 13.On a number line, start at −3 and move 12 steps to the right. Where do you land? (a) −9 (b) 9 (c) −15
14. 14.How many integers are there between −6 and 7? (Do not count −6 and 7 themselves.)
15. 15.What is 30 + (−18)? =
16. 16.On a number line, start at −15 and move 15 steps to the left. Where do you land? (a) −30 (b) 30 (c) 0
17. 17.At night the temperature in Manali was −12 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
18. 18.On a number line, start at −5 and move 2 steps to the right. Where do you land? (a) 3 (b) −7 (c) −3
19. 19.On a number line, start at −5 and move 4 steps to the right. Where do you land? (a) −1 (b) 1 (c) −9
20. 20.What number is the Roman numeral CCCLXXXVIII?
21. 21.How many integers are there between −2 and 7? (Do not count −2 and 7 themselves.)
22. 22.At night the temperature in Tawang was −2 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
23. 23.What is (−20) + 21? =
24. 24.What is (−28) + 46? =
25. 25.Which is smaller: −16 or −14? (a) −14 (b) −16
26. 26.How many integers are there between −5 and 7? (Do not count −5 and 7 themselves.)
27. 27.What is (−22) + 1? (a) −23 (b) 23 (c) −21 (d) 21
28. 28.How many integers are there between −7 and 9? (Do not count −7 and 9 themselves.)
29. 29.How many integers are there between −1 and 11? (Do not count −1 and 11 themselves.)
30. 30.How many integers are there between −4 and 10? (Do not count −4 and 10 themselves.)
31. 31.What is (−19) + 31? =
32. 32.At night the temperature in Manali was −4 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
33. 33.How many integers are there between −9 and 6? (Do not count −9 and 6 themselves.)
34. 34.What is 35 + (−2)? =
35. 35.What number is the Roman numeral LXXIV?
36. 36.Which is bigger: −10 or −3? (a) −3 (b) −10
37. 37.At night the temperature in Srinagar was −7 °C. By noon it had gone up by 25 °C. What was the temperature at noon (in °C)?
38. 38.At night the temperature in Srinagar was −2 °C. By noon it had gone up by 17 °C. What was the temperature at noon (in °C)?
39. 39.What number is the Roman numeral LIII?
40. 40.What is (−4) + 12? =

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