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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 134 · 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. 1.97³ =
  2. 2.97³ =
  3. 3.992³ =
  4. 4.1019³ =
  5. 5.1006³ =
  6. 6.996³ =
  7. 7.102³ =
  8. 8.985³ =
  9. 9.981³ =
  10. 10.105³ =
  11. 11.982³ =
  12. 12.92³ =
  13. 13.107³ =
  14. 14.1013³ =
  15. 15.102³ =
  16. 16.105³ =
  17. 17.93³ =
  18. 18.1014³ =
  19. 19.108³ =
  20. 20.108³ =
  21. 21.99³ =
  22. 22.1020³ =
  23. 23.994³ =
  24. 24.985³ =
  25. 25.1012³ =
  26. 26.995³ =
  27. 27.93³ =
  28. 28.986³ =
  29. 29.992³ =
  30. 30.95³ =
  31. 31.1011³ =
  32. 32.95³ =
  33. 33.1002³ =
  34. 34.1012³ =
  35. 35.96³ =
  36. 36.98³ =
  37. 37.1016³ =
  38. 38.109³ =
  39. 39.1020³ =
  40. 40.1011³ =

Answer key

  1. 912673
  2. 912673
  3. 976191488
  4. 1058089859
  5. 1018108216
  6. 988047936
  7. 1061208
  8. 955671625
  9. 944076141
  10. 1157625
  11. 946966168
  12. 778688
  13. 1225043
  14. 1039509197
  15. 1061208
  16. 1157625
  17. 804357
  18. 1042590744
  19. 1259712
  20. 1259712
  21. 970299
  22. 1061208000
  23. 982107784
  24. 955671625
  25. 1036433728
  26. 985074875
  27. 804357
  28. 958585256
  29. 976191488
  30. 857375
  31. 1033364331
  32. 857375
  33. 1006012008
  34. 1036433728
  35. 884736
  36. 941192
  37. 1048772096
  38. 1295029
  39. 1061208000
  40. 1033364331

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