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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 121 · 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. 1.94³ =
  2. 2.1015³ =
  3. 3.94³ =
  4. 4.108³ =
  5. 5.101³ =
  6. 6.108³ =
  7. 7.101³ =
  8. 8.92³ =
  9. 9.91³ =
  10. 10.1009³ =
  11. 11.981³ =
  12. 12.98³ =
  13. 13.95³ =
  14. 14.97³ =
  15. 15.105³ =
  16. 16.95³ =
  17. 17.94³ =
  18. 18.103³ =
  19. 19.981³ =
  20. 20.1015³ =
  21. 21.984³ =
  22. 22.101³ =
  23. 23.95³ =
  24. 24.1001³ =
  25. 25.99³ =
  26. 26.1016³ =
  27. 27.986³ =
  28. 28.96³ =
  29. 29.105³ =
  30. 30.1015³ =
  31. 31.93³ =
  32. 32.108³ =
  33. 33.97³ =
  34. 34.99³ =
  35. 35.97³ =
  36. 36.101³ =
  37. 37.93³ =
  38. 38.1001³ =
  39. 39.99³ =
  40. 40.1017³ =

Answer key

  1. 830584
  2. 1045678375
  3. 830584
  4. 1259712
  5. 1030301
  6. 1259712
  7. 1030301
  8. 778688
  9. 753571
  10. 1027243729
  11. 944076141
  12. 941192
  13. 857375
  14. 912673
  15. 1157625
  16. 857375
  17. 830584
  18. 1092727
  19. 944076141
  20. 1045678375
  21. 952763904
  22. 1030301
  23. 857375
  24. 1003003001
  25. 970299
  26. 1048772096
  27. 958585256
  28. 884736
  29. 1157625
  30. 1045678375
  31. 804357
  32. 1259712
  33. 912673
  34. 970299
  35. 912673
  36. 1030301
  37. 804357
  38. 1003003001
  39. 970299
  40. 1051871913

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