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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 490 · 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. 1.107³ =
  2. 2.1016³ =
  3. 3.95³ =
  4. 4.994³ =
  5. 5.108³ =
  6. 6.94³ =
  7. 7.101³ =
  8. 8.1017³ =
  9. 9.107³ =
  10. 10.108³ =
  11. 11.98³ =
  12. 12.1013³ =
  13. 13.1012³ =
  14. 14.109³ =
  15. 15.94³ =
  16. 16.97³ =
  17. 17.1018³ =
  18. 18.96³ =
  19. 19.1019³ =
  20. 20.981³ =
  21. 21.991³ =
  22. 22.103³ =
  23. 23.993³ =
  24. 24.985³ =
  25. 25.998³ =
  26. 26.987³ =
  27. 27.999³ =
  28. 28.993³ =
  29. 29.107³ =
  30. 30.997³ =
  31. 31.1016³ =
  32. 32.988³ =
  33. 33.998³ =
  34. 34.1016³ =
  35. 35.1005³ =
  36. 36.96³ =
  37. 37.1011³ =
  38. 38.98³ =
  39. 39.103³ =
  40. 40.96³ =

Answer key

  1. 1225043
  2. 1048772096
  3. 857375
  4. 982107784
  5. 1259712
  6. 830584
  7. 1030301
  8. 1051871913
  9. 1225043
  10. 1259712
  11. 941192
  12. 1039509197
  13. 1036433728
  14. 1295029
  15. 830584
  16. 912673
  17. 1054977832
  18. 884736
  19. 1058089859
  20. 944076141
  21. 973242271
  22. 1092727
  23. 979146657
  24. 955671625
  25. 994011992
  26. 961504803
  27. 997002999
  28. 979146657
  29. 1225043
  30. 991026973
  31. 1048772096
  32. 964430272
  33. 994011992
  34. 1048772096
  35. 1015075125
  36. 884736
  37. 1033364331
  38. 941192
  39. 1092727
  40. 884736

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