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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 780 · 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. 1.108³ =
  2. 2.92³ =
  3. 3.997³ =
  4. 4.1006³ =
  5. 5.103³ =
  6. 6.91³ =
  7. 7.1009³ =
  8. 8.104³ =
  9. 9.97³ =
  10. 10.1011³ =
  11. 11.96³ =
  12. 12.989³ =
  13. 13.1013³ =
  14. 14.95³ =
  15. 15.99³ =
  16. 16.102³ =
  17. 17.101³ =
  18. 18.104³ =
  19. 19.103³ =
  20. 20.1004³ =
  21. 21.986³ =
  22. 22.108³ =
  23. 23.106³ =
  24. 24.96³ =
  25. 25.1013³ =
  26. 26.1020³ =
  27. 27.101³ =
  28. 28.986³ =
  29. 29.1005³ =
  30. 30.980³ =
  31. 31.91³ =
  32. 32.93³ =
  33. 33.105³ =
  34. 34.1018³ =
  35. 35.96³ =
  36. 36.1013³ =
  37. 37.985³ =
  38. 38.101³ =
  39. 39.102³ =
  40. 40.106³ =

Answer key

  1. 1259712
  2. 778688
  3. 991026973
  4. 1018108216
  5. 1092727
  6. 753571
  7. 1027243729
  8. 1124864
  9. 912673
  10. 1033364331
  11. 884736
  12. 967361669
  13. 1039509197
  14. 857375
  15. 970299
  16. 1061208
  17. 1030301
  18. 1124864
  19. 1092727
  20. 1012048064
  21. 958585256
  22. 1259712
  23. 1191016
  24. 884736
  25. 1039509197
  26. 1061208000
  27. 1030301
  28. 958585256
  29. 1015075125
  30. 941192000
  31. 753571
  32. 804357
  33. 1157625
  34. 1054977832
  35. 884736
  36. 1039509197
  37. 955671625
  38. 1030301
  39. 1061208
  40. 1191016

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