📘 Class 6 Maths Worksheet Knowing Our Numbers Full Chapter (50 Questions)

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🔹 Section A – Very Short Answer (1 mark each)

  1. Write the numeral: Eight lakh five thousand ten
  2. Write the numeral: Two crore seven lakh thirty thousand
  3. Write 6,08,701 in words
  4. Write 9,00,07,010 in words
  5. Find the place value of 5 in 4,56,789
  6. Find the face value of 8 in 8,90,123
  7. Write the successor of 7,89,999
  8. Write the predecessor of 1,00,000
  9. Insert commas: 4567890
  10. Insert commas: 908765432

🔹 Section B – Place Value & Expansion (2 marks each)

  1. Write expanded form of 5,06,207
  2. Write expanded form of 8,09,70,501
  3. Write number from: 3,00,000 + 50,000 + 600 + 8
  4. Write number from: 7,00,00,000 + 9,00,000 + 40,000 + 500 + 6
  5. What is the value of digit 3 in 3,45,67,890?

🔹 Section C – Comparison (2 marks each)

  1. Arrange in ascending order:
    45,67,210; 45,76,210; 45,67,201; 45,07,621
  2. Arrange in descending order:
    9,00,000; 9,000; 90,000; 9,00,00,000
  3. Insert >, < or = :
    a) 5,67,890 ___ 5,76,809
    b) 9,00,000 ___ 90,00,000
  4. Which is greater: 7,89,432 or 7,98,342?
  5. Which is smallest: 4,56,789; 4,65,789; 4,56,879?

🔹 Section D – Formation of Numbers (2–3 marks)

  1. Form greatest number using 4, 9, 1, 0, 5
  2. Form smallest number using 7, 2, 8, 0, 3
  3. Form greatest 6-digit number using digits 2, 5, 8
  4. Form smallest 5-digit number using digits 6, 0, 4, 2
  5. Find the difference between greatest and smallest number formed using digits 3, 7, 1, 9

🔹 Section E – Rounding & Estimation (3 marks)

  1. Round 45,678 to nearest 10
  2. Round 9,87,654 to nearest 1000
  3. Round 7,89,432 to nearest 1,00,000
  4. Estimate:
    a) 4,89,532 + 2,10,468
    b) 7,65,210 − 3,54,198
  5. Round 6,78,912 to nearest 10,000

🔹 Section F – Large Numbers (3 marks)

  1. Write smallest 7-digit number
  2. Write greatest 5-digit number
  3. How many numbers between 999 and 1004?
  4. What is 1 more than 9,99,999?
  5. What is 1 less than 1,00,00,000?

🔹 Section G – Indian & International System (3 marks)

  1. Write 45,67,890 in International system
  2. Write 9,08,76,543 in International system
  3. Write 5,678,901 in Indian system
  4. Write 90,876,543 in Indian system
  5. What is the place value of 6 in 4,567,890?

🔹 Section H – Roman Numerals (2 marks)

  1. Write in Roman numerals:
    a) 49
    b) 85
    c) 99
  2. Convert to Hindu-Arabic:
    a) LXVII
    b) XCIV
    c) CIX

🔹 Section I – Word Problems (4 marks)

  1. A factory produced 6,78,540 toys and next year 7,10,760 toys.
    Find the increase.
  2. Population of town A = 5,67,890
    Population of town B = 6,78,901
    Which is greater and by how much?
  3. A school has 1,45,678 students. If 65,432 are girls, find number of boys.
  4. Distance of Road A = 4,56,789 m
    Distance of Road B = 5,09,876 m
    Find the difference.
  5. A number is 3,45,678. What will be the number if 10,000 is added?
  6. Subtract 2,34,567 from 7,89,432

🔹 Section J – Higher Order Thinking (HOTS)

  1. Find the greatest number of 5 digits divisible by 10
  2. How many 6-digit numbers can be formed using digits 1, 2, 3 (repetition allowed)?

✅ Answer Key (Short)

  1. 8,05,010
  2. 2,07,30,000
  3. Six lakh eight thousand seven hundred one
  4. Nine crore seven thousand ten
  5. 50,000
  6. 8
  7. 7,90,000
  8. 99,999
  9. 45,67,890
  10. 90,87,65,432
  11. 5,00,000 + 6,000 + 200 + 7
  12. 8,00,00,000 + 9,00,000 + 70,000 + 500 + 1
  13. 3,50,608
  14. 7,09,40,506
  15. 3,00,00,000
  16. 45,07,621 < 45,67,201 < 45,67,210 < 45,76,210
  17. 9,00,00,000 > 9,00,000 > 90,000 > 9,000
  18. a) < b) <
  19. 7,98,342
  20. 4,56,789
  21. 95,410
  22. 20,378
  23. 8,85,522
  24. 20,468
  25. 9,731 − 1,379 = 8,352
  26. 45,680
  27. 9,88,000
  28. 8,00,000
  29. a) 7,00,000 b) 4,10,000
  30. 6,80,000
  31. 10,00,000
  32. 99,999
  33. 4
  34. 10,00,000
  35. 99,99,999
  36. 4,567,890
  37. 90,876,543
  38. 56,78,901
  39. 9,08,76,543
  40. 6,00,000
  41. XLIX, LXXXV, XCIX
  42. 67, 94, 109
  43. 32,220
  44. 1,11,011
  45. 80,246
  46. 53,087
  47. 3,55,678
  48. 5,54,865
  49. 99,990
  50. 729
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