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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 1 · 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. 1.101³ =
  2. 2.1007³ =
  3. 3.992³ =
  4. 4.93³ =
  5. 5.101³ =
  6. 6.109³ =
  7. 7.986³ =
  8. 8.985³ =
  9. 9.1005³ =
  10. 10.94³ =
  11. 11.101³ =
  12. 12.998³ =
  13. 13.1002³ =
  14. 14.109³ =
  15. 15.991³ =
  16. 16.104³ =
  17. 17.93³ =
  18. 18.1005³ =
  19. 19.97³ =
  20. 20.999³ =
  21. 21.1020³ =
  22. 22.1012³ =
  23. 23.985³ =
  24. 24.107³ =
  25. 25.998³ =
  26. 26.97³ =
  27. 27.1019³ =
  28. 28.1013³ =
  29. 29.1012³ =
  30. 30.987³ =
  31. 31.96³ =
  32. 32.106³ =
  33. 33.998³ =
  34. 34.1013³ =
  35. 35.103³ =
  36. 36.103³ =
  37. 37.998³ =
  38. 38.996³ =
  39. 39.1010³ =
  40. 40.990³ =

Answer key

  1. 1030301
  2. 1021147343
  3. 976191488
  4. 804357
  5. 1030301
  6. 1295029
  7. 958585256
  8. 955671625
  9. 1015075125
  10. 830584
  11. 1030301
  12. 994011992
  13. 1006012008
  14. 1295029
  15. 973242271
  16. 1124864
  17. 804357
  18. 1015075125
  19. 912673
  20. 997002999
  21. 1061208000
  22. 1036433728
  23. 955671625
  24. 1225043
  25. 994011992
  26. 912673
  27. 1058089859
  28. 1039509197
  29. 1036433728
  30. 961504803
  31. 884736
  32. 1191016
  33. 994011992
  34. 1039509197
  35. 1092727
  36. 1092727
  37. 994011992
  38. 988047936
  39. 1030301000
  40. 970299000

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