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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 858 · 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. 2.91³ =
  3. 3.92³ =
  4. 4.1004³ =
  5. 5.96³ =
  6. 6.990³ =
  7. 7.95³ =
  8. 8.1010³ =
  9. 9.109³ =
  10. 10.989³ =
  11. 11.1011³ =
  12. 12.1017³ =
  13. 13.1020³ =
  14. 14.107³ =
  15. 15.97³ =
  16. 16.102³ =
  17. 17.103³ =
  18. 18.983³ =
  19. 19.1016³ =
  20. 20.1013³ =
  21. 21.1018³ =
  22. 22.1007³ =
  23. 23.1017³ =
  24. 24.102³ =
  25. 25.108³ =
  26. 26.98³ =
  27. 27.98³ =
  28. 28.1016³ =
  29. 29.103³ =
  30. 30.989³ =
  31. 31.97³ =
  32. 32.106³ =
  33. 33.1012³ =
  34. 34.96³ =
  35. 35.109³ =
  36. 36.101³ =
  37. 37.96³ =
  38. 38.105³ =
  39. 39.1007³ =
  40. 40.108³ =

Answer key

  1. 1039509197
  2. 753571
  3. 778688
  4. 1012048064
  5. 884736
  6. 970299000
  7. 857375
  8. 1030301000
  9. 1295029
  10. 967361669
  11. 1033364331
  12. 1051871913
  13. 1061208000
  14. 1225043
  15. 912673
  16. 1061208
  17. 1092727
  18. 949862087
  19. 1048772096
  20. 1039509197
  21. 1054977832
  22. 1021147343
  23. 1051871913
  24. 1061208
  25. 1259712
  26. 941192
  27. 941192
  28. 1048772096
  29. 1092727
  30. 967361669
  31. 912673
  32. 1191016
  33. 1036433728
  34. 884736
  35. 1295029
  36. 1030301
  37. 884736
  38. 1157625
  39. 1021147343
  40. 1259712

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