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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 489 · 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. 1.91³ =
  2. 2.1009³ =
  3. 3.1020³ =
  4. 4.108³ =
  5. 5.95³ =
  6. 6.109³ =
  7. 7.109³ =
  8. 8.104³ =
  9. 9.97³ =
  10. 10.96³ =
  11. 11.92³ =
  12. 12.94³ =
  13. 13.1016³ =
  14. 14.94³ =
  15. 15.93³ =
  16. 16.103³ =
  17. 17.95³ =
  18. 18.1009³ =
  19. 19.999³ =
  20. 20.101³ =
  21. 21.107³ =
  22. 22.1011³ =
  23. 23.108³ =
  24. 24.980³ =
  25. 25.97³ =
  26. 26.998³ =
  27. 27.1011³ =
  28. 28.1003³ =
  29. 29.987³ =
  30. 30.93³ =
  31. 31.107³ =
  32. 32.987³ =
  33. 33.109³ =
  34. 34.106³ =
  35. 35.1006³ =
  36. 36.93³ =
  37. 37.108³ =
  38. 38.102³ =
  39. 39.107³ =
  40. 40.97³ =

Answer key

  1. 753571
  2. 1027243729
  3. 1061208000
  4. 1259712
  5. 857375
  6. 1295029
  7. 1295029
  8. 1124864
  9. 912673
  10. 884736
  11. 778688
  12. 830584
  13. 1048772096
  14. 830584
  15. 804357
  16. 1092727
  17. 857375
  18. 1027243729
  19. 997002999
  20. 1030301
  21. 1225043
  22. 1033364331
  23. 1259712
  24. 941192000
  25. 912673
  26. 994011992
  27. 1033364331
  28. 1009027027
  29. 961504803
  30. 804357
  31. 1225043
  32. 961504803
  33. 1295029
  34. 1191016
  35. 1018108216
  36. 804357
  37. 1259712
  38. 1061208
  39. 1225043
  40. 912673

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