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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 640 · 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. 2.104³ =
  3. 3.1011³ =
  4. 4.108³ =
  5. 5.102³ =
  6. 6.983³ =
  7. 7.101³ =
  8. 8.987³ =
  9. 9.102³ =
  10. 10.94³ =
  11. 11.94³ =
  12. 12.95³ =
  13. 13.95³ =
  14. 14.1009³ =
  15. 15.1018³ =
  16. 16.982³ =
  17. 17.93³ =
  18. 18.1010³ =
  19. 19.99³ =
  20. 20.99³ =
  21. 21.1017³ =
  22. 22.999³ =
  23. 23.1011³ =
  24. 24.995³ =
  25. 25.996³ =
  26. 26.94³ =
  27. 27.987³ =
  28. 28.98³ =
  29. 29.1008³ =
  30. 30.985³ =
  31. 31.1014³ =
  32. 32.1016³ =
  33. 33.98³ =
  34. 34.1012³ =
  35. 35.991³ =
  36. 36.997³ =
  37. 37.105³ =
  38. 38.998³ =
  39. 39.106³ =
  40. 40.994³ =

Answer key

  1. 1225043
  2. 1124864
  3. 1033364331
  4. 1259712
  5. 1061208
  6. 949862087
  7. 1030301
  8. 961504803
  9. 1061208
  10. 830584
  11. 830584
  12. 857375
  13. 857375
  14. 1027243729
  15. 1054977832
  16. 946966168
  17. 804357
  18. 1030301000
  19. 970299
  20. 970299
  21. 1051871913
  22. 997002999
  23. 1033364331
  24. 985074875
  25. 988047936
  26. 830584
  27. 961504803
  28. 941192
  29. 1024192512
  30. 955671625
  31. 1042590744
  32. 1048772096
  33. 941192
  34. 1036433728
  35. 973242271
  36. 991026973
  37. 1157625
  38. 994011992
  39. 1191016
  40. 982107784

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