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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 408 · 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. 1.94³ =
  2. 2.989³ =
  3. 3.109³ =
  4. 4.105³ =
  5. 5.988³ =
  6. 6.993³ =
  7. 7.105³ =
  8. 8.1004³ =
  9. 9.93³ =
  10. 10.1015³ =
  11. 11.99³ =
  12. 12.1015³ =
  13. 13.93³ =
  14. 14.104³ =
  15. 15.99³ =
  16. 16.984³ =
  17. 17.108³ =
  18. 18.97³ =
  19. 19.1014³ =
  20. 20.987³ =
  21. 21.982³ =
  22. 22.101³ =
  23. 23.995³ =
  24. 24.92³ =
  25. 25.1002³ =
  26. 26.1005³ =
  27. 27.106³ =
  28. 28.1020³ =
  29. 29.99³ =
  30. 30.102³ =
  31. 31.981³ =
  32. 32.989³ =
  33. 33.1010³ =
  34. 34.103³ =
  35. 35.1006³ =
  36. 36.106³ =
  37. 37.95³ =
  38. 38.106³ =
  39. 39.96³ =
  40. 40.1015³ =

Answer key

  1. 830584
  2. 967361669
  3. 1295029
  4. 1157625
  5. 964430272
  6. 979146657
  7. 1157625
  8. 1012048064
  9. 804357
  10. 1045678375
  11. 970299
  12. 1045678375
  13. 804357
  14. 1124864
  15. 970299
  16. 952763904
  17. 1259712
  18. 912673
  19. 1042590744
  20. 961504803
  21. 946966168
  22. 1030301
  23. 985074875
  24. 778688
  25. 1006012008
  26. 1015075125
  27. 1191016
  28. 1061208000
  29. 970299
  30. 1061208
  31. 944076141
  32. 967361669
  33. 1030301000
  34. 1092727
  35. 1018108216
  36. 1191016
  37. 857375
  38. 1191016
  39. 884736
  40. 1045678375

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