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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 385 · 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. 1.98³ =
  2. 2.92³ =
  3. 3.103³ =
  4. 4.106³ =
  5. 5.1019³ =
  6. 6.107³ =
  7. 7.1012³ =
  8. 8.1011³ =
  9. 9.97³ =
  10. 10.91³ =
  11. 11.95³ =
  12. 12.101³ =
  13. 13.105³ =
  14. 14.1009³ =
  15. 15.105³ =
  16. 16.1006³ =
  17. 17.1015³ =
  18. 18.1018³ =
  19. 19.105³ =
  20. 20.1014³ =
  21. 21.98³ =
  22. 22.1014³ =
  23. 23.96³ =
  24. 24.97³ =
  25. 25.990³ =
  26. 26.95³ =
  27. 27.993³ =
  28. 28.992³ =
  29. 29.97³ =
  30. 30.95³ =
  31. 31.96³ =
  32. 32.109³ =
  33. 33.93³ =
  34. 34.99³ =
  35. 35.997³ =
  36. 36.997³ =
  37. 37.108³ =
  38. 38.982³ =
  39. 39.1003³ =
  40. 40.1007³ =

Answer key

  1. 941192
  2. 778688
  3. 1092727
  4. 1191016
  5. 1058089859
  6. 1225043
  7. 1036433728
  8. 1033364331
  9. 912673
  10. 753571
  11. 857375
  12. 1030301
  13. 1157625
  14. 1027243729
  15. 1157625
  16. 1018108216
  17. 1045678375
  18. 1054977832
  19. 1157625
  20. 1042590744
  21. 941192
  22. 1042590744
  23. 884736
  24. 912673
  25. 970299000
  26. 857375
  27. 979146657
  28. 976191488
  29. 912673
  30. 857375
  31. 884736
  32. 1295029
  33. 804357
  34. 970299
  35. 991026973
  36. 991026973
  37. 1259712
  38. 946966168
  39. 1009027027
  40. 1021147343

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