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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 209 · 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. 1.997³ =
  2. 2.998³ =
  3. 3.986³ =
  4. 4.994³ =
  5. 5.985³ =
  6. 6.99³ =
  7. 7.99³ =
  8. 8.103³ =
  9. 9.990³ =
  10. 10.105³ =
  11. 11.92³ =
  12. 12.1012³ =
  13. 13.102³ =
  14. 14.996³ =
  15. 15.987³ =
  16. 16.1006³ =
  17. 17.97³ =
  18. 18.108³ =
  19. 19.94³ =
  20. 20.994³ =
  21. 21.96³ =
  22. 22.988³ =
  23. 23.105³ =
  24. 24.95³ =
  25. 25.991³ =
  26. 26.102³ =
  27. 27.102³ =
  28. 28.94³ =
  29. 29.985³ =
  30. 30.101³ =
  31. 31.1002³ =
  32. 32.97³ =
  33. 33.1006³ =
  34. 34.998³ =
  35. 35.104³ =
  36. 36.990³ =
  37. 37.96³ =
  38. 38.105³ =
  39. 39.99³ =
  40. 40.106³ =

Answer key

  1. 991026973
  2. 994011992
  3. 958585256
  4. 982107784
  5. 955671625
  6. 970299
  7. 970299
  8. 1092727
  9. 970299000
  10. 1157625
  11. 778688
  12. 1036433728
  13. 1061208
  14. 988047936
  15. 961504803
  16. 1018108216
  17. 912673
  18. 1259712
  19. 830584
  20. 982107784
  21. 884736
  22. 964430272
  23. 1157625
  24. 857375
  25. 973242271
  26. 1061208
  27. 1061208
  28. 830584
  29. 955671625
  30. 1030301
  31. 1006012008
  32. 912673
  33. 1018108216
  34. 994011992
  35. 1124864
  36. 970299000
  37. 884736
  38. 1157625
  39. 970299
  40. 1191016

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