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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 143 · 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. 1.94³ =
  2. 2.1010³ =
  3. 3.104³ =
  4. 4.993³ =
  5. 5.104³ =
  6. 6.986³ =
  7. 7.92³ =
  8. 8.101³ =
  9. 9.1011³ =
  10. 10.98³ =
  11. 11.105³ =
  12. 12.987³ =
  13. 13.996³ =
  14. 14.996³ =
  15. 15.98³ =
  16. 16.95³ =
  17. 17.996³ =
  18. 18.983³ =
  19. 19.103³ =
  20. 20.108³ =
  21. 21.91³ =
  22. 22.98³ =
  23. 23.983³ =
  24. 24.93³ =
  25. 25.91³ =
  26. 26.103³ =
  27. 27.1013³ =
  28. 28.994³ =
  29. 29.108³ =
  30. 30.983³ =
  31. 31.99³ =
  32. 32.95³ =
  33. 33.1007³ =
  34. 34.103³ =
  35. 35.997³ =
  36. 36.985³ =
  37. 37.997³ =
  38. 38.99³ =
  39. 39.1015³ =
  40. 40.97³ =

Answer key

  1. 830584
  2. 1030301000
  3. 1124864
  4. 979146657
  5. 1124864
  6. 958585256
  7. 778688
  8. 1030301
  9. 1033364331
  10. 941192
  11. 1157625
  12. 961504803
  13. 988047936
  14. 988047936
  15. 941192
  16. 857375
  17. 988047936
  18. 949862087
  19. 1092727
  20. 1259712
  21. 753571
  22. 941192
  23. 949862087
  24. 804357
  25. 753571
  26. 1092727
  27. 1039509197
  28. 982107784
  29. 1259712
  30. 949862087
  31. 970299
  32. 857375
  33. 1021147343
  34. 1092727
  35. 991026973
  36. 955671625
  37. 991026973
  38. 970299
  39. 1045678375
  40. 912673

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