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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 851 · 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. 1.102³ =
  2. 2.92³ =
  3. 3.101³ =
  4. 4.1009³ =
  5. 5.994³ =
  6. 6.109³ =
  7. 7.106³ =
  8. 8.94³ =
  9. 9.105³ =
  10. 10.101³ =
  11. 11.1006³ =
  12. 12.996³ =
  13. 13.984³ =
  14. 14.95³ =
  15. 15.980³ =
  16. 16.994³ =
  17. 17.1012³ =
  18. 18.91³ =
  19. 19.994³ =
  20. 20.1011³ =
  21. 21.993³ =
  22. 22.1007³ =
  23. 23.103³ =
  24. 24.985³ =
  25. 25.95³ =
  26. 26.109³ =
  27. 27.993³ =
  28. 28.1013³ =
  29. 29.92³ =
  30. 30.1006³ =
  31. 31.93³ =
  32. 32.98³ =
  33. 33.93³ =
  34. 34.97³ =
  35. 35.992³ =
  36. 36.1010³ =
  37. 37.91³ =
  38. 38.93³ =
  39. 39.98³ =
  40. 40.96³ =

Answer key

  1. 1061208
  2. 778688
  3. 1030301
  4. 1027243729
  5. 982107784
  6. 1295029
  7. 1191016
  8. 830584
  9. 1157625
  10. 1030301
  11. 1018108216
  12. 988047936
  13. 952763904
  14. 857375
  15. 941192000
  16. 982107784
  17. 1036433728
  18. 753571
  19. 982107784
  20. 1033364331
  21. 979146657
  22. 1021147343
  23. 1092727
  24. 955671625
  25. 857375
  26. 1295029
  27. 979146657
  28. 1039509197
  29. 778688
  30. 1018108216
  31. 804357
  32. 941192
  33. 804357
  34. 912673
  35. 976191488
  36. 1030301000
  37. 753571
  38. 804357
  39. 941192
  40. 884736

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