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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 798 · 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. 1.108³ =
  2. 2.988³ =
  3. 3.95³ =
  4. 4.103³ =
  5. 5.94³ =
  6. 6.99³ =
  7. 7.1002³ =
  8. 8.92³ =
  9. 9.988³ =
  10. 10.1004³ =
  11. 11.91³ =
  12. 12.986³ =
  13. 13.98³ =
  14. 14.96³ =
  15. 15.98³ =
  16. 16.1016³ =
  17. 17.93³ =
  18. 18.1003³ =
  19. 19.93³ =
  20. 20.106³ =
  21. 21.1009³ =
  22. 22.1018³ =
  23. 23.992³ =
  24. 24.94³ =
  25. 25.1004³ =
  26. 26.91³ =
  27. 27.108³ =
  28. 28.99³ =
  29. 29.1015³ =
  30. 30.1014³ =
  31. 31.994³ =
  32. 32.989³ =
  33. 33.97³ =
  34. 34.105³ =
  35. 35.97³ =
  36. 36.91³ =
  37. 37.95³ =
  38. 38.99³ =
  39. 39.989³ =
  40. 40.101³ =

Answer key

  1. 1259712
  2. 964430272
  3. 857375
  4. 1092727
  5. 830584
  6. 970299
  7. 1006012008
  8. 778688
  9. 964430272
  10. 1012048064
  11. 753571
  12. 958585256
  13. 941192
  14. 884736
  15. 941192
  16. 1048772096
  17. 804357
  18. 1009027027
  19. 804357
  20. 1191016
  21. 1027243729
  22. 1054977832
  23. 976191488
  24. 830584
  25. 1012048064
  26. 753571
  27. 1259712
  28. 970299
  29. 1045678375
  30. 1042590744
  31. 982107784
  32. 967361669
  33. 912673
  34. 1157625
  35. 912673
  36. 753571
  37. 857375
  38. 970299
  39. 967361669
  40. 1030301

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