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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 860 · 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. 1.102³ =
  2. 2.96³ =
  3. 3.101³ =
  4. 4.102³ =
  5. 5.1011³ =
  6. 6.109³ =
  7. 7.997³ =
  8. 8.988³ =
  9. 9.94³ =
  10. 10.998³ =
  11. 11.1010³ =
  12. 12.992³ =
  13. 13.997³ =
  14. 14.995³ =
  15. 15.104³ =
  16. 16.1002³ =
  17. 17.1006³ =
  18. 18.995³ =
  19. 19.95³ =
  20. 20.103³ =
  21. 21.106³ =
  22. 22.97³ =
  23. 23.109³ =
  24. 24.96³ =
  25. 25.94³ =
  26. 26.97³ =
  27. 27.99³ =
  28. 28.99³ =
  29. 29.1019³ =
  30. 30.101³ =
  31. 31.102³ =
  32. 32.101³ =
  33. 33.989³ =
  34. 34.989³ =
  35. 35.1002³ =
  36. 36.1013³ =
  37. 37.105³ =
  38. 38.98³ =
  39. 39.1008³ =
  40. 40.93³ =

Answer key

  1. 1061208
  2. 884736
  3. 1030301
  4. 1061208
  5. 1033364331
  6. 1295029
  7. 991026973
  8. 964430272
  9. 830584
  10. 994011992
  11. 1030301000
  12. 976191488
  13. 991026973
  14. 985074875
  15. 1124864
  16. 1006012008
  17. 1018108216
  18. 985074875
  19. 857375
  20. 1092727
  21. 1191016
  22. 912673
  23. 1295029
  24. 884736
  25. 830584
  26. 912673
  27. 970299
  28. 970299
  29. 1058089859
  30. 1030301
  31. 1061208
  32. 1030301
  33. 967361669
  34. 967361669
  35. 1006012008
  36. 1039509197
  37. 1157625
  38. 941192
  39. 1024192512
  40. 804357

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