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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 678 · 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. 2.93³ =
  3. 3.94³ =
  4. 4.1012³ =
  5. 5.105³ =
  6. 6.105³ =
  7. 7.97³ =
  8. 8.994³ =
  9. 9.1008³ =
  10. 10.91³ =
  11. 11.992³ =
  12. 12.998³ =
  13. 13.980³ =
  14. 14.1008³ =
  15. 15.92³ =
  16. 16.102³ =
  17. 17.94³ =
  18. 18.981³ =
  19. 19.102³ =
  20. 20.97³ =
  21. 21.996³ =
  22. 22.92³ =
  23. 23.97³ =
  24. 24.107³ =
  25. 25.101³ =
  26. 26.993³ =
  27. 27.98³ =
  28. 28.998³ =
  29. 29.981³ =
  30. 30.988³ =
  31. 31.109³ =
  32. 32.105³ =
  33. 33.101³ =
  34. 34.988³ =
  35. 35.981³ =
  36. 36.92³ =
  37. 37.94³ =
  38. 38.101³ =
  39. 39.91³ =
  40. 40.95³ =

Answer key

  1. 941192
  2. 804357
  3. 830584
  4. 1036433728
  5. 1157625
  6. 1157625
  7. 912673
  8. 982107784
  9. 1024192512
  10. 753571
  11. 976191488
  12. 994011992
  13. 941192000
  14. 1024192512
  15. 778688
  16. 1061208
  17. 830584
  18. 944076141
  19. 1061208
  20. 912673
  21. 988047936
  22. 778688
  23. 912673
  24. 1225043
  25. 1030301
  26. 979146657
  27. 941192
  28. 994011992
  29. 944076141
  30. 964430272
  31. 1295029
  32. 1157625
  33. 1030301
  34. 964430272
  35. 944076141
  36. 778688
  37. 830584
  38. 1030301
  39. 753571
  40. 857375

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