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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 383 · 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. 1.1015³ =
  2. 2.98³ =
  3. 3.92³ =
  4. 4.994³ =
  5. 5.1008³ =
  6. 6.105³ =
  7. 7.91³ =
  8. 8.105³ =
  9. 9.103³ =
  10. 10.1008³ =
  11. 11.101³ =
  12. 12.102³ =
  13. 13.92³ =
  14. 14.98³ =
  15. 15.103³ =
  16. 16.1011³ =
  17. 17.1007³ =
  18. 18.91³ =
  19. 19.99³ =
  20. 20.981³ =
  21. 21.992³ =
  22. 22.1004³ =
  23. 23.96³ =
  24. 24.991³ =
  25. 25.984³ =
  26. 26.96³ =
  27. 27.95³ =
  28. 28.1002³ =
  29. 29.94³ =
  30. 30.1011³ =
  31. 31.93³ =
  32. 32.109³ =
  33. 33.99³ =
  34. 34.980³ =
  35. 35.94³ =
  36. 36.998³ =
  37. 37.99³ =
  38. 38.991³ =
  39. 39.998³ =
  40. 40.101³ =

Answer key

  1. 1045678375
  2. 941192
  3. 778688
  4. 982107784
  5. 1024192512
  6. 1157625
  7. 753571
  8. 1157625
  9. 1092727
  10. 1024192512
  11. 1030301
  12. 1061208
  13. 778688
  14. 941192
  15. 1092727
  16. 1033364331
  17. 1021147343
  18. 753571
  19. 970299
  20. 944076141
  21. 976191488
  22. 1012048064
  23. 884736
  24. 973242271
  25. 952763904
  26. 884736
  27. 857375
  28. 1006012008
  29. 830584
  30. 1033364331
  31. 804357
  32. 1295029
  33. 970299
  34. 941192000
  35. 830584
  36. 994011992
  37. 970299
  38. 973242271
  39. 994011992
  40. 1030301

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