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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 237 · 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. 1.99³ =
  2. 2.986³ =
  3. 3.96³ =
  4. 4.1007³ =
  5. 5.997³ =
  6. 6.987³ =
  7. 7.998³ =
  8. 8.102³ =
  9. 9.105³ =
  10. 10.108³ =
  11. 11.1020³ =
  12. 12.93³ =
  13. 13.106³ =
  14. 14.108³ =
  15. 15.102³ =
  16. 16.1007³ =
  17. 17.99³ =
  18. 18.984³ =
  19. 19.1013³ =
  20. 20.105³ =
  21. 21.107³ =
  22. 22.1010³ =
  23. 23.101³ =
  24. 24.996³ =
  25. 25.106³ =
  26. 26.106³ =
  27. 27.998³ =
  28. 28.105³ =
  29. 29.1011³ =
  30. 30.106³ =
  31. 31.1006³ =
  32. 32.993³ =
  33. 33.1008³ =
  34. 34.1011³ =
  35. 35.91³ =
  36. 36.106³ =
  37. 37.94³ =
  38. 38.980³ =
  39. 39.94³ =
  40. 40.104³ =

Answer key

  1. 970299
  2. 958585256
  3. 884736
  4. 1021147343
  5. 991026973
  6. 961504803
  7. 994011992
  8. 1061208
  9. 1157625
  10. 1259712
  11. 1061208000
  12. 804357
  13. 1191016
  14. 1259712
  15. 1061208
  16. 1021147343
  17. 970299
  18. 952763904
  19. 1039509197
  20. 1157625
  21. 1225043
  22. 1030301000
  23. 1030301
  24. 988047936
  25. 1191016
  26. 1191016
  27. 994011992
  28. 1157625
  29. 1033364331
  30. 1191016
  31. 1018108216
  32. 979146657
  33. 1024192512
  34. 1033364331
  35. 753571
  36. 1191016
  37. 830584
  38. 941192000
  39. 830584
  40. 1124864

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