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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 663 · 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. 2.981³ =
  3. 3.1002³ =
  4. 4.106³ =
  5. 5.103³ =
  6. 6.991³ =
  7. 7.982³ =
  8. 8.1010³ =
  9. 9.990³ =
  10. 10.92³ =
  11. 11.1013³ =
  12. 12.988³ =
  13. 13.94³ =
  14. 14.93³ =
  15. 15.94³ =
  16. 16.989³ =
  17. 17.104³ =
  18. 18.96³ =
  19. 19.994³ =
  20. 20.1011³ =
  21. 21.984³ =
  22. 22.1003³ =
  23. 23.99³ =
  24. 24.1016³ =
  25. 25.102³ =
  26. 26.95³ =
  27. 27.92³ =
  28. 28.94³ =
  29. 29.102³ =
  30. 30.96³ =
  31. 31.1007³ =
  32. 32.96³ =
  33. 33.106³ =
  34. 34.109³ =
  35. 35.108³ =
  36. 36.1008³ =
  37. 37.1003³ =
  38. 38.980³ =
  39. 39.97³ =
  40. 40.999³ =

Answer key

  1. 1124864
  2. 944076141
  3. 1006012008
  4. 1191016
  5. 1092727
  6. 973242271
  7. 946966168
  8. 1030301000
  9. 970299000
  10. 778688
  11. 1039509197
  12. 964430272
  13. 830584
  14. 804357
  15. 830584
  16. 967361669
  17. 1124864
  18. 884736
  19. 982107784
  20. 1033364331
  21. 952763904
  22. 1009027027
  23. 970299
  24. 1048772096
  25. 1061208
  26. 857375
  27. 778688
  28. 830584
  29. 1061208
  30. 884736
  31. 1021147343
  32. 884736
  33. 1191016
  34. 1295029
  35. 1259712
  36. 1024192512
  37. 1009027027
  38. 941192000
  39. 912673
  40. 997002999

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