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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 989 · 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. 1.104³ =
  2. 2.96³ =
  3. 3.104³ =
  4. 4.1006³ =
  5. 5.95³ =
  6. 6.102³ =
  7. 7.981³ =
  8. 8.105³ =
  9. 9.104³ =
  10. 10.106³ =
  11. 11.108³ =
  12. 12.988³ =
  13. 13.103³ =
  14. 14.980³ =
  15. 15.992³ =
  16. 16.107³ =
  17. 17.101³ =
  18. 18.982³ =
  19. 19.102³ =
  20. 20.95³ =
  21. 21.102³ =
  22. 22.109³ =
  23. 23.99³ =
  24. 24.1015³ =
  25. 25.998³ =
  26. 26.1013³ =
  27. 27.96³ =
  28. 28.1005³ =
  29. 29.107³ =
  30. 30.994³ =
  31. 31.93³ =
  32. 32.1008³ =
  33. 33.108³ =
  34. 34.106³ =
  35. 35.1012³ =
  36. 36.108³ =
  37. 37.105³ =
  38. 38.986³ =
  39. 39.1017³ =
  40. 40.93³ =

Answer key

  1. 1124864
  2. 884736
  3. 1124864
  4. 1018108216
  5. 857375
  6. 1061208
  7. 944076141
  8. 1157625
  9. 1124864
  10. 1191016
  11. 1259712
  12. 964430272
  13. 1092727
  14. 941192000
  15. 976191488
  16. 1225043
  17. 1030301
  18. 946966168
  19. 1061208
  20. 857375
  21. 1061208
  22. 1295029
  23. 970299
  24. 1045678375
  25. 994011992
  26. 1039509197
  27. 884736
  28. 1015075125
  29. 1225043
  30. 982107784
  31. 804357
  32. 1024192512
  33. 1259712
  34. 1191016
  35. 1036433728
  36. 1259712
  37. 1157625
  38. 958585256
  39. 1051871913
  40. 804357

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