Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 82 · 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 Tawang was −8 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
2. 2.How many integers are there between −7 and 9? (Do not count −7 and 9 themselves.)
3. 3.How many integers are there between −1 and 6? (Do not count −1 and 6 themselves.)
4. 4.How many integers are there between −1 and 11? (Do not count −1 and 11 themselves.)
5. 5.What is 1 − 16? (a) 15 (b) −17 (c) 17 (d) −15
6. 6.How many integers are there between −5 and 7? (Do not count −5 and 7 themselves.)
7. 7.What is 16 + (−1)? =
8. 8.What is 12 + (−7)? =
9. 9.How is 971 written in Roman numerals? (a) DCCCCLXXI (b) CMLXXI (c) CMLXX
10. 10.What is (−17) + 4? (a) −13 (b) 13 (c) 21 (d) −21
11. 11.On a number line, start at −6 and move 7 steps to the right. Where do you land? (a) −1 (b) −13 (c) 1
12. 12.What is 18 + (−2)? =
13. 13.Which is smaller: −17 or −3? (a) −17 (b) −3
14. 14.What is 32 + (−23)? =
15. 15.What is (−20) + (−8)? (a) 12 (b) 28 (c) −12 (d) −28
16. 16.How many integers are there between −8 and 10? (Do not count −8 and 10 themselves.)
17. 17.Which is bigger: 17 or −20? (a) 17 (b) −20
18. 18.What number is the Roman numeral XXVII?
19. 19.How many integers are there between −10 and 5? (Do not count −10 and 5 themselves.)
20. 20.At night the temperature in Shimla was −13 °C. By noon it had gone up by 24 °C. What was the temperature at noon (in °C)?
21. 21.Which is smaller: 9 or −12? (a) 9 (b) −12
22. 22.On a number line, start at −1 and move 5 steps to the right. Where do you land? (a) 4 (b) −6 (c) −4
23. 23.What is (−3) + (−9)? (a) 12 (b) −12 (c) −6 (d) 6
24. 24.What number is the Roman numeral LXXIX?
25. 25.Which is smaller: 15 or −4? (a) 15 (b) −4
26. 26.What is (−28) + 34? =
27. 27.Which is bigger: −13 or −8? (a) −13 (b) −8
28. 28.On a number line, start at −7 and move 17 steps to the right. Where do you land? (a) −10 (b) −24 (c) 10
29. 29.How many integers are there between −4 and 10? (Do not count −4 and 10 themselves.)
30. 30.On a number line, start at −14 and move 2 steps to the left. Where do you land? (a) 16 (b) −16 (c) −12
31. 31.At night the temperature in Manali was −3 °C. By noon it had gone up by 9 °C. What was the temperature at noon (in °C)?
32. 32.Which is smaller: 5 or −16? (a) 5 (b) −16
33. 33.At night the temperature in Shimla was −3 °C. By noon it had gone up by 21 °C. What was the temperature at noon (in °C)?
34. 34.Which is smaller: 0 or −11? (a) −11 (b) 0
35. 35.On a number line, start at −6 and move 18 steps to the right. Where do you land? (a) 12 (b) −24 (c) −12
36. 36.What is (−29) + 42? =
37. 37.On a number line, start at −11 and move 21 steps to the left. Where do you land? (a) 10 (b) −32 (c) 32
38. 38.What is (−19) + 4? (a) −23 (b) 23 (c) 15 (d) −15
39. 39.Which is smaller: −15 or 10? (a) 10 (b) −15
40. 40.How many integers are there between −9 and 12? (Do not count −9 and 12 themselves.)

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