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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 625 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.104³ =
  2. 2.108³ =
  3. 3.996³ =
  4. 4.96³ =
  5. 5.91³ =
  6. 6.104³ =
  7. 7.1011³ =
  8. 8.1012³ =
  9. 9.1012³ =
  10. 10.97³ =
  11. 11.996³ =
  12. 12.989³ =
  13. 13.95³ =
  14. 14.99³ =
  15. 15.993³ =
  16. 16.1012³ =
  17. 17.102³ =
  18. 18.989³ =
  19. 19.1012³ =
  20. 20.95³ =
  21. 21.93³ =
  22. 22.996³ =
  23. 23.993³ =
  24. 24.101³ =
  25. 25.1012³ =
  26. 26.102³ =
  27. 27.108³ =
  28. 28.989³ =
  29. 29.991³ =
  30. 30.1018³ =
  31. 31.99³ =
  32. 32.95³ =
  33. 33.98³ =
  34. 34.109³ =
  35. 35.988³ =
  36. 36.981³ =
  37. 37.91³ =
  38. 38.1011³ =
  39. 39.101³ =
  40. 40.1003³ =

Answer key

  1. 1124864
  2. 1259712
  3. 988047936
  4. 884736
  5. 753571
  6. 1124864
  7. 1033364331
  8. 1036433728
  9. 1036433728
  10. 912673
  11. 988047936
  12. 967361669
  13. 857375
  14. 970299
  15. 979146657
  16. 1036433728
  17. 1061208
  18. 967361669
  19. 1036433728
  20. 857375
  21. 804357
  22. 988047936
  23. 979146657
  24. 1030301
  25. 1036433728
  26. 1061208
  27. 1259712
  28. 967361669
  29. 973242271
  30. 1054977832
  31. 970299
  32. 857375
  33. 941192
  34. 1295029
  35. 964430272
  36. 944076141
  37. 753571
  38. 1033364331
  39. 1030301
  40. 1009027027

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