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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 883 · 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. 2.1015³ =
  3. 3.97³ =
  4. 4.101³ =
  5. 5.998³ =
  6. 6.108³ =
  7. 7.998³ =
  8. 8.988³ =
  9. 9.99³ =
  10. 10.99³ =
  11. 11.1010³ =
  12. 12.108³ =
  13. 13.104³ =
  14. 14.94³ =
  15. 15.984³ =
  16. 16.99³ =
  17. 17.98³ =
  18. 18.95³ =
  19. 19.98³ =
  20. 20.103³ =
  21. 21.105³ =
  22. 22.1009³ =
  23. 23.994³ =
  24. 24.995³ =
  25. 25.103³ =
  26. 26.92³ =
  27. 27.102³ =
  28. 28.107³ =
  29. 29.998³ =
  30. 30.103³ =
  31. 31.997³ =
  32. 32.1010³ =
  33. 33.102³ =
  34. 34.1012³ =
  35. 35.997³ =
  36. 36.1014³ =
  37. 37.91³ =
  38. 38.93³ =
  39. 39.998³ =
  40. 40.1010³ =

Answer key

  1. 753571
  2. 1045678375
  3. 912673
  4. 1030301
  5. 994011992
  6. 1259712
  7. 994011992
  8. 964430272
  9. 970299
  10. 970299
  11. 1030301000
  12. 1259712
  13. 1124864
  14. 830584
  15. 952763904
  16. 970299
  17. 941192
  18. 857375
  19. 941192
  20. 1092727
  21. 1157625
  22. 1027243729
  23. 982107784
  24. 985074875
  25. 1092727
  26. 778688
  27. 1061208
  28. 1225043
  29. 994011992
  30. 1092727
  31. 991026973
  32. 1030301000
  33. 1061208
  34. 1036433728
  35. 991026973
  36. 1042590744
  37. 753571
  38. 804357
  39. 994011992
  40. 1030301000

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