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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 771 · 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. 1.998³ =
  2. 2.984³ =
  3. 3.998³ =
  4. 4.1012³ =
  5. 5.992³ =
  6. 6.99³ =
  7. 7.91³ =
  8. 8.1012³ =
  9. 9.99³ =
  10. 10.95³ =
  11. 11.96³ =
  12. 12.1005³ =
  13. 13.101³ =
  14. 14.103³ =
  15. 15.998³ =
  16. 16.105³ =
  17. 17.1011³ =
  18. 18.98³ =
  19. 19.105³ =
  20. 20.97³ =
  21. 21.92³ =
  22. 22.102³ =
  23. 23.99³ =
  24. 24.91³ =
  25. 25.96³ =
  26. 26.988³ =
  27. 27.996³ =
  28. 28.1011³ =
  29. 29.104³ =
  30. 30.999³ =
  31. 31.94³ =
  32. 32.999³ =
  33. 33.96³ =
  34. 34.1012³ =
  35. 35.101³ =
  36. 36.97³ =
  37. 37.1019³ =
  38. 38.101³ =
  39. 39.91³ =
  40. 40.108³ =

Answer key

  1. 994011992
  2. 952763904
  3. 994011992
  4. 1036433728
  5. 976191488
  6. 970299
  7. 753571
  8. 1036433728
  9. 970299
  10. 857375
  11. 884736
  12. 1015075125
  13. 1030301
  14. 1092727
  15. 994011992
  16. 1157625
  17. 1033364331
  18. 941192
  19. 1157625
  20. 912673
  21. 778688
  22. 1061208
  23. 970299
  24. 753571
  25. 884736
  26. 964430272
  27. 988047936
  28. 1033364331
  29. 1124864
  30. 997002999
  31. 830584
  32. 997002999
  33. 884736
  34. 1036433728
  35. 1030301
  36. 912673
  37. 1058089859
  38. 1030301
  39. 753571
  40. 1259712

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