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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 207 · 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. 1.104³ =
  2. 2.92³ =
  3. 3.93³ =
  4. 4.1010³ =
  5. 5.104³ =
  6. 6.103³ =
  7. 7.1010³ =
  8. 8.104³ =
  9. 9.95³ =
  10. 10.998³ =
  11. 11.109³ =
  12. 12.93³ =
  13. 13.104³ =
  14. 14.980³ =
  15. 15.1018³ =
  16. 16.1003³ =
  17. 17.987³ =
  18. 18.94³ =
  19. 19.1011³ =
  20. 20.993³ =
  21. 21.91³ =
  22. 22.983³ =
  23. 23.1014³ =
  24. 24.1001³ =
  25. 25.1001³ =
  26. 26.105³ =
  27. 27.989³ =
  28. 28.997³ =
  29. 29.105³ =
  30. 30.1013³ =
  31. 31.108³ =
  32. 32.994³ =
  33. 33.985³ =
  34. 34.1010³ =
  35. 35.1006³ =
  36. 36.96³ =
  37. 37.104³ =
  38. 38.1001³ =
  39. 39.101³ =
  40. 40.98³ =

Answer key

  1. 1124864
  2. 778688
  3. 804357
  4. 1030301000
  5. 1124864
  6. 1092727
  7. 1030301000
  8. 1124864
  9. 857375
  10. 994011992
  11. 1295029
  12. 804357
  13. 1124864
  14. 941192000
  15. 1054977832
  16. 1009027027
  17. 961504803
  18. 830584
  19. 1033364331
  20. 979146657
  21. 753571
  22. 949862087
  23. 1042590744
  24. 1003003001
  25. 1003003001
  26. 1157625
  27. 967361669
  28. 991026973
  29. 1157625
  30. 1039509197
  31. 1259712
  32. 982107784
  33. 955671625
  34. 1030301000
  35. 1018108216
  36. 884736
  37. 1124864
  38. 1003003001
  39. 1030301
  40. 941192

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