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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 152 · 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. 1.92³ =
  2. 2.101³ =
  3. 3.987³ =
  4. 4.983³ =
  5. 5.1005³ =
  6. 6.93³ =
  7. 7.98³ =
  8. 8.1007³ =
  9. 9.997³ =
  10. 10.981³ =
  11. 11.997³ =
  12. 12.98³ =
  13. 13.105³ =
  14. 14.103³ =
  15. 15.97³ =
  16. 16.102³ =
  17. 17.1009³ =
  18. 18.94³ =
  19. 19.1006³ =
  20. 20.1010³ =
  21. 21.997³ =
  22. 22.994³ =
  23. 23.95³ =
  24. 24.980³ =
  25. 25.94³ =
  26. 26.101³ =
  27. 27.103³ =
  28. 28.98³ =
  29. 29.96³ =
  30. 30.93³ =
  31. 31.103³ =
  32. 32.104³ =
  33. 33.91³ =
  34. 34.1017³ =
  35. 35.997³ =
  36. 36.104³ =
  37. 37.998³ =
  38. 38.95³ =
  39. 39.107³ =
  40. 40.91³ =

Answer key

  1. 778688
  2. 1030301
  3. 961504803
  4. 949862087
  5. 1015075125
  6. 804357
  7. 941192
  8. 1021147343
  9. 991026973
  10. 944076141
  11. 991026973
  12. 941192
  13. 1157625
  14. 1092727
  15. 912673
  16. 1061208
  17. 1027243729
  18. 830584
  19. 1018108216
  20. 1030301000
  21. 991026973
  22. 982107784
  23. 857375
  24. 941192000
  25. 830584
  26. 1030301
  27. 1092727
  28. 941192
  29. 884736
  30. 804357
  31. 1092727
  32. 1124864
  33. 753571
  34. 1051871913
  35. 991026973
  36. 1124864
  37. 994011992
  38. 857375
  39. 1225043
  40. 753571

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