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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 976 · 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. 1.95³ =
  2. 2.97³ =
  3. 3.96³ =
  4. 4.94³ =
  5. 5.91³ =
  6. 6.91³ =
  7. 7.93³ =
  8. 8.1012³ =
  9. 9.95³ =
  10. 10.107³ =
  11. 11.93³ =
  12. 12.99³ =
  13. 13.105³ =
  14. 14.1020³ =
  15. 15.99³ =
  16. 16.102³ =
  17. 17.106³ =
  18. 18.992³ =
  19. 19.990³ =
  20. 20.104³ =
  21. 21.980³ =
  22. 22.988³ =
  23. 23.105³ =
  24. 24.1003³ =
  25. 25.996³ =
  26. 26.1003³ =
  27. 27.992³ =
  28. 28.1004³ =
  29. 29.988³ =
  30. 30.103³ =
  31. 31.99³ =
  32. 32.999³ =
  33. 33.997³ =
  34. 34.94³ =
  35. 35.101³ =
  36. 36.102³ =
  37. 37.106³ =
  38. 38.992³ =
  39. 39.93³ =
  40. 40.988³ =

Answer key

  1. 857375
  2. 912673
  3. 884736
  4. 830584
  5. 753571
  6. 753571
  7. 804357
  8. 1036433728
  9. 857375
  10. 1225043
  11. 804357
  12. 970299
  13. 1157625
  14. 1061208000
  15. 970299
  16. 1061208
  17. 1191016
  18. 976191488
  19. 970299000
  20. 1124864
  21. 941192000
  22. 964430272
  23. 1157625
  24. 1009027027
  25. 988047936
  26. 1009027027
  27. 976191488
  28. 1012048064
  29. 964430272
  30. 1092727
  31. 970299
  32. 997002999
  33. 991026973
  34. 830584
  35. 1030301
  36. 1061208
  37. 1191016
  38. 976191488
  39. 804357
  40. 964430272

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