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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 461 · 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. 1.1013³ =
  2. 2.94³ =
  3. 3.994³ =
  4. 4.998³ =
  5. 5.108³ =
  6. 6.105³ =
  7. 7.92³ =
  8. 8.1018³ =
  9. 9.1011³ =
  10. 10.993³ =
  11. 11.986³ =
  12. 12.984³ =
  13. 13.991³ =
  14. 14.983³ =
  15. 15.1002³ =
  16. 16.108³ =
  17. 17.999³ =
  18. 18.982³ =
  19. 19.995³ =
  20. 20.98³ =
  21. 21.99³ =
  22. 22.1009³ =
  23. 23.998³ =
  24. 24.95³ =
  25. 25.1019³ =
  26. 26.103³ =
  27. 27.97³ =
  28. 28.97³ =
  29. 29.990³ =
  30. 30.98³ =
  31. 31.98³ =
  32. 32.94³ =
  33. 33.1007³ =
  34. 34.102³ =
  35. 35.1009³ =
  36. 36.1002³ =
  37. 37.1012³ =
  38. 38.998³ =
  39. 39.109³ =
  40. 40.102³ =

Answer key

  1. 1039509197
  2. 830584
  3. 982107784
  4. 994011992
  5. 1259712
  6. 1157625
  7. 778688
  8. 1054977832
  9. 1033364331
  10. 979146657
  11. 958585256
  12. 952763904
  13. 973242271
  14. 949862087
  15. 1006012008
  16. 1259712
  17. 997002999
  18. 946966168
  19. 985074875
  20. 941192
  21. 970299
  22. 1027243729
  23. 994011992
  24. 857375
  25. 1058089859
  26. 1092727
  27. 912673
  28. 912673
  29. 970299000
  30. 941192
  31. 941192
  32. 830584
  33. 1021147343
  34. 1061208
  35. 1027243729
  36. 1006012008
  37. 1036433728
  38. 994011992
  39. 1295029
  40. 1061208

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