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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 815 · 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. 1.1003³ =
  2. 2.103³ =
  3. 3.95³ =
  4. 4.106³ =
  5. 5.108³ =
  6. 6.1007³ =
  7. 7.982³ =
  8. 8.983³ =
  9. 9.992³ =
  10. 10.1015³ =
  11. 11.101³ =
  12. 12.1013³ =
  13. 13.93³ =
  14. 14.988³ =
  15. 15.109³ =
  16. 16.1002³ =
  17. 17.98³ =
  18. 18.981³ =
  19. 19.1007³ =
  20. 20.91³ =
  21. 21.989³ =
  22. 22.105³ =
  23. 23.94³ =
  24. 24.97³ =
  25. 25.981³ =
  26. 26.997³ =
  27. 27.95³ =
  28. 28.992³ =
  29. 29.94³ =
  30. 30.994³ =
  31. 31.96³ =
  32. 32.103³ =
  33. 33.988³ =
  34. 34.95³ =
  35. 35.96³ =
  36. 36.1011³ =
  37. 37.1008³ =
  38. 38.99³ =
  39. 39.980³ =
  40. 40.1020³ =

Answer key

  1. 1009027027
  2. 1092727
  3. 857375
  4. 1191016
  5. 1259712
  6. 1021147343
  7. 946966168
  8. 949862087
  9. 976191488
  10. 1045678375
  11. 1030301
  12. 1039509197
  13. 804357
  14. 964430272
  15. 1295029
  16. 1006012008
  17. 941192
  18. 944076141
  19. 1021147343
  20. 753571
  21. 967361669
  22. 1157625
  23. 830584
  24. 912673
  25. 944076141
  26. 991026973
  27. 857375
  28. 976191488
  29. 830584
  30. 982107784
  31. 884736
  32. 1092727
  33. 964430272
  34. 857375
  35. 884736
  36. 1033364331
  37. 1024192512
  38. 970299
  39. 941192000
  40. 1061208000

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