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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 591 · 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. 1.993³ =
  2. 2.93³ =
  3. 3.1014³ =
  4. 4.1008³ =
  5. 5.1014³ =
  6. 6.91³ =
  7. 7.103³ =
  8. 8.98³ =
  9. 9.96³ =
  10. 10.103³ =
  11. 11.101³ =
  12. 12.98³ =
  13. 13.96³ =
  14. 14.1011³ =
  15. 15.1001³ =
  16. 16.91³ =
  17. 17.98³ =
  18. 18.1013³ =
  19. 19.103³ =
  20. 20.106³ =
  21. 21.95³ =
  22. 22.96³ =
  23. 23.993³ =
  24. 24.98³ =
  25. 25.103³ =
  26. 26.96³ =
  27. 27.97³ =
  28. 28.986³ =
  29. 29.97³ =
  30. 30.102³ =
  31. 31.95³ =
  32. 32.104³ =
  33. 33.1015³ =
  34. 34.99³ =
  35. 35.980³ =
  36. 36.994³ =
  37. 37.1016³ =
  38. 38.99³ =
  39. 39.94³ =
  40. 40.994³ =

Answer key

  1. 979146657
  2. 804357
  3. 1042590744
  4. 1024192512
  5. 1042590744
  6. 753571
  7. 1092727
  8. 941192
  9. 884736
  10. 1092727
  11. 1030301
  12. 941192
  13. 884736
  14. 1033364331
  15. 1003003001
  16. 753571
  17. 941192
  18. 1039509197
  19. 1092727
  20. 1191016
  21. 857375
  22. 884736
  23. 979146657
  24. 941192
  25. 1092727
  26. 884736
  27. 912673
  28. 958585256
  29. 912673
  30. 1061208
  31. 857375
  32. 1124864
  33. 1045678375
  34. 970299
  35. 941192000
  36. 982107784
  37. 1048772096
  38. 970299
  39. 830584
  40. 982107784

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