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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 27 · 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. 1.99³ =
  2. 2.1010³ =
  3. 3.97³ =
  4. 4.106³ =
  5. 5.102³ =
  6. 6.107³ =
  7. 7.106³ =
  8. 8.98³ =
  9. 9.95³ =
  10. 10.1013³ =
  11. 11.989³ =
  12. 12.106³ =
  13. 13.101³ =
  14. 14.97³ =
  15. 15.988³ =
  16. 16.1002³ =
  17. 17.995³ =
  18. 18.95³ =
  19. 19.108³ =
  20. 20.1013³ =
  21. 21.91³ =
  22. 22.97³ =
  23. 23.101³ =
  24. 24.1013³ =
  25. 25.994³ =
  26. 26.98³ =
  27. 27.91³ =
  28. 28.1003³ =
  29. 29.103³ =
  30. 30.91³ =
  31. 31.98³ =
  32. 32.101³ =
  33. 33.1002³ =
  34. 34.105³ =
  35. 35.96³ =
  36. 36.1002³ =
  37. 37.95³ =
  38. 38.1007³ =
  39. 39.95³ =
  40. 40.997³ =

Answer key

  1. 970299
  2. 1030301000
  3. 912673
  4. 1191016
  5. 1061208
  6. 1225043
  7. 1191016
  8. 941192
  9. 857375
  10. 1039509197
  11. 967361669
  12. 1191016
  13. 1030301
  14. 912673
  15. 964430272
  16. 1006012008
  17. 985074875
  18. 857375
  19. 1259712
  20. 1039509197
  21. 753571
  22. 912673
  23. 1030301
  24. 1039509197
  25. 982107784
  26. 941192
  27. 753571
  28. 1009027027
  29. 1092727
  30. 753571
  31. 941192
  32. 1030301
  33. 1006012008
  34. 1157625
  35. 884736
  36. 1006012008
  37. 857375
  38. 1021147343
  39. 857375
  40. 991026973

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