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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 886 · 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. 1.991³ =
  2. 2.1007³ =
  3. 3.101³ =
  4. 4.97³ =
  5. 5.97³ =
  6. 6.983³ =
  7. 7.96³ =
  8. 8.1013³ =
  9. 9.1006³ =
  10. 10.980³ =
  11. 11.1019³ =
  12. 12.105³ =
  13. 13.95³ =
  14. 14.1018³ =
  15. 15.991³ =
  16. 16.108³ =
  17. 17.984³ =
  18. 18.98³ =
  19. 19.109³ =
  20. 20.107³ =
  21. 21.102³ =
  22. 22.102³ =
  23. 23.95³ =
  24. 24.1020³ =
  25. 25.108³ =
  26. 26.997³ =
  27. 27.106³ =
  28. 28.99³ =
  29. 29.1016³ =
  30. 30.93³ =
  31. 31.1003³ =
  32. 32.109³ =
  33. 33.988³ =
  34. 34.986³ =
  35. 35.101³ =
  36. 36.108³ =
  37. 37.91³ =
  38. 38.97³ =
  39. 39.95³ =
  40. 40.981³ =

Answer key

  1. 973242271
  2. 1021147343
  3. 1030301
  4. 912673
  5. 912673
  6. 949862087
  7. 884736
  8. 1039509197
  9. 1018108216
  10. 941192000
  11. 1058089859
  12. 1157625
  13. 857375
  14. 1054977832
  15. 973242271
  16. 1259712
  17. 952763904
  18. 941192
  19. 1295029
  20. 1225043
  21. 1061208
  22. 1061208
  23. 857375
  24. 1061208000
  25. 1259712
  26. 991026973
  27. 1191016
  28. 970299
  29. 1048772096
  30. 804357
  31. 1009027027
  32. 1295029
  33. 964430272
  34. 958585256
  35. 1030301
  36. 1259712
  37. 753571
  38. 912673
  39. 857375
  40. 944076141

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