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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 135 · 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. 1.109³ =
  2. 2.999³ =
  3. 3.996³ =
  4. 4.101³ =
  5. 5.1012³ =
  6. 6.93³ =
  7. 7.99³ =
  8. 8.105³ =
  9. 9.96³ =
  10. 10.996³ =
  11. 11.96³ =
  12. 12.108³ =
  13. 13.108³ =
  14. 14.96³ =
  15. 15.98³ =
  16. 16.93³ =
  17. 17.91³ =
  18. 18.99³ =
  19. 19.1003³ =
  20. 20.95³ =
  21. 21.107³ =
  22. 22.988³ =
  23. 23.1007³ =
  24. 24.92³ =
  25. 25.101³ =
  26. 26.993³ =
  27. 27.101³ =
  28. 28.94³ =
  29. 29.98³ =
  30. 30.101³ =
  31. 31.980³ =
  32. 32.92³ =
  33. 33.1007³ =
  34. 34.990³ =
  35. 35.98³ =
  36. 36.93³ =
  37. 37.106³ =
  38. 38.95³ =
  39. 39.1010³ =
  40. 40.101³ =

Answer key

  1. 1295029
  2. 997002999
  3. 988047936
  4. 1030301
  5. 1036433728
  6. 804357
  7. 970299
  8. 1157625
  9. 884736
  10. 988047936
  11. 884736
  12. 1259712
  13. 1259712
  14. 884736
  15. 941192
  16. 804357
  17. 753571
  18. 970299
  19. 1009027027
  20. 857375
  21. 1225043
  22. 964430272
  23. 1021147343
  24. 778688
  25. 1030301
  26. 979146657
  27. 1030301
  28. 830584
  29. 941192
  30. 1030301
  31. 941192000
  32. 778688
  33. 1021147343
  34. 970299000
  35. 941192
  36. 804357
  37. 1191016
  38. 857375
  39. 1030301000
  40. 1030301

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