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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 702 · 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. 2.94³ =
  3. 3.107³ =
  4. 4.1010³ =
  5. 5.101³ =
  6. 6.989³ =
  7. 7.1001³ =
  8. 8.96³ =
  9. 9.95³ =
  10. 10.987³ =
  11. 11.104³ =
  12. 12.1013³ =
  13. 13.1009³ =
  14. 14.93³ =
  15. 15.984³ =
  16. 16.1011³ =
  17. 17.1006³ =
  18. 18.92³ =
  19. 19.108³ =
  20. 20.99³ =
  21. 21.93³ =
  22. 22.1008³ =
  23. 23.1014³ =
  24. 24.982³ =
  25. 25.99³ =
  26. 26.101³ =
  27. 27.989³ =
  28. 28.1004³ =
  29. 29.109³ =
  30. 30.91³ =
  31. 31.101³ =
  32. 32.984³ =
  33. 33.1014³ =
  34. 34.93³ =
  35. 35.106³ =
  36. 36.1016³ =
  37. 37.98³ =
  38. 38.989³ =
  39. 39.91³ =
  40. 40.108³ =

Answer key

  1. 778688
  2. 830584
  3. 1225043
  4. 1030301000
  5. 1030301
  6. 967361669
  7. 1003003001
  8. 884736
  9. 857375
  10. 961504803
  11. 1124864
  12. 1039509197
  13. 1027243729
  14. 804357
  15. 952763904
  16. 1033364331
  17. 1018108216
  18. 778688
  19. 1259712
  20. 970299
  21. 804357
  22. 1024192512
  23. 1042590744
  24. 946966168
  25. 970299
  26. 1030301
  27. 967361669
  28. 1012048064
  29. 1295029
  30. 753571
  31. 1030301
  32. 952763904
  33. 1042590744
  34. 804357
  35. 1191016
  36. 1048772096
  37. 941192
  38. 967361669
  39. 753571
  40. 1259712

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