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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 151 · 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. 2.98³ =
  3. 3.95³ =
  4. 4.983³ =
  5. 5.1017³ =
  6. 6.97³ =
  7. 7.101³ =
  8. 8.105³ =
  9. 9.105³ =
  10. 10.96³ =
  11. 11.104³ =
  12. 12.1016³ =
  13. 13.1009³ =
  14. 14.94³ =
  15. 15.1009³ =
  16. 16.96³ =
  17. 17.1019³ =
  18. 18.1008³ =
  19. 19.1012³ =
  20. 20.985³ =
  21. 21.93³ =
  22. 22.98³ =
  23. 23.1018³ =
  24. 24.102³ =
  25. 25.96³ =
  26. 26.995³ =
  27. 27.1020³ =
  28. 28.990³ =
  29. 29.106³ =
  30. 30.985³ =
  31. 31.99³ =
  32. 32.92³ =
  33. 33.95³ =
  34. 34.108³ =
  35. 35.108³ =
  36. 36.1010³ =
  37. 37.94³ =
  38. 38.103³ =
  39. 39.984³ =
  40. 40.1016³ =

Answer key

  1. 1225043
  2. 941192
  3. 857375
  4. 949862087
  5. 1051871913
  6. 912673
  7. 1030301
  8. 1157625
  9. 1157625
  10. 884736
  11. 1124864
  12. 1048772096
  13. 1027243729
  14. 830584
  15. 1027243729
  16. 884736
  17. 1058089859
  18. 1024192512
  19. 1036433728
  20. 955671625
  21. 804357
  22. 941192
  23. 1054977832
  24. 1061208
  25. 884736
  26. 985074875
  27. 1061208000
  28. 970299000
  29. 1191016
  30. 955671625
  31. 970299
  32. 778688
  33. 857375
  34. 1259712
  35. 1259712
  36. 1030301000
  37. 830584
  38. 1092727
  39. 952763904
  40. 1048772096

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