Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 139 · 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 Shimla was −3 °C. By noon it had gone up by 16 °C. What was the temperature at noon (in °C)?
2. 2.At night the temperature in Srinagar was −11 °C. By noon it had gone up by 14 °C. What was the temperature at noon (in °C)?
3. 3.At night the temperature in Leh was −9 °C. By noon it had gone up by 10 °C. What was the temperature at noon (in °C)?
4. 4.What number is the Roman numeral CLXXIX?
5. 5.On a number line, start at −12 and move 4 steps to the left. Where do you land? (a) 16 (b) −16 (c) −8
6. 6.Which is bigger: 1 or −18? (a) −18 (b) 1
7. 7.What number is the Roman numeral CCLXXIX?
8. 8.What is (−24) + 42? =
9. 9.Which is bigger: −18 or −6? (a) −18 (b) −6
10. 10.Which is smaller: −13 or 13? (a) −13 (b) 13
11. 11.What number is the Roman numeral LXX?
12. 12.How many integers are there between −7 and 9? (Do not count −7 and 9 themselves.)
13. 13.What is (−26) + (−6)? (a) −20 (b) 32 (c) 20 (d) −32
14. 14.How is 81 written in Roman numerals? (a) XCI (b) LXXXI (c) LXXX
15. 15.Which is bigger: 20 or −8? (a) −8 (b) 20
16. 16.Which is bigger: 6 or −12? (a) 6 (b) −12
17. 17.What is (−28) + 7? (a) 21 (b) −35 (c) 35 (d) −21
18. 18.Which is bigger: −17 or 2? (a) −17 (b) 2
19. 19.What number is the Roman numeral CCIV?
20. 20.At night the temperature in Gulmarg was −4 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
21. 21.On a number line, start at −9 and move 11 steps to the right. Where do you land? (a) −20 (b) 2 (c) −2
22. 22.On a number line, start at −8 and move 16 steps to the right. Where do you land? (a) −8 (b) 8 (c) −24
23. 23.On a number line, start at −3 and move 13 steps to the right. Where do you land? (a) −10 (b) −16 (c) 10
24. 24.What is (−11) + 1? (a) 10 (b) 12 (c) −10 (d) −12
25. 25.How many integers are there between −2 and 3? (Do not count −2 and 3 themselves.)
26. 26.What is (−5) + (−5)? (a) −10 (b) 0 (c) 10
27. 27.At night the temperature in Shimla was −11 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
28. 28.On a number line, start at −6 and move 6 steps to the right. Where do you land? (a) −12 (b) 12 (c) 0
29. 29.Which is smaller: −8 or −6? (a) −8 (b) −6
30. 30.Which is bigger: 6 or −8? (a) −8 (b) 6
31. 31.What number is the Roman numeral CCXXXI?
32. 32.Which is smaller: −12 or 5? (a) −12 (b) 5
33. 33.How many integers are there between −7 and 1? (Do not count −7 and 1 themselves.)
34. 34.Which is smaller: 15 or −17? (a) 15 (b) −17
35. 35.How is 21 written in Roman numerals? (a) XXI (b) XXXI (c) XX
36. 36.At night the temperature in Tawang was −6 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
37. 37.What is 16 + (−14)? =
38. 38.On a number line, start at −3 and move 15 steps to the right. Where do you land? (a) −18 (b) 12 (c) −12
39. 39.What is 45 + (−7)? =
40. 40.What is (−24) + 6? (a) 18 (b) −30 (c) −18 (d) 30

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