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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 785 · 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. 1.981³ =
  2. 2.101³ =
  3. 3.107³ =
  4. 4.1004³ =
  5. 5.91³ =
  6. 6.91³ =
  7. 7.99³ =
  8. 8.103³ =
  9. 9.97³ =
  10. 10.97³ =
  11. 11.96³ =
  12. 12.106³ =
  13. 13.1006³ =
  14. 14.101³ =
  15. 15.99³ =
  16. 16.1020³ =
  17. 17.99³ =
  18. 18.92³ =
  19. 19.93³ =
  20. 20.1011³ =
  21. 21.104³ =
  22. 22.94³ =
  23. 23.1011³ =
  24. 24.103³ =
  25. 25.1017³ =
  26. 26.105³ =
  27. 27.988³ =
  28. 28.981³ =
  29. 29.984³ =
  30. 30.97³ =
  31. 31.92³ =
  32. 32.95³ =
  33. 33.1005³ =
  34. 34.95³ =
  35. 35.94³ =
  36. 36.105³ =
  37. 37.101³ =
  38. 38.94³ =
  39. 39.998³ =
  40. 40.994³ =

Answer key

  1. 944076141
  2. 1030301
  3. 1225043
  4. 1012048064
  5. 753571
  6. 753571
  7. 970299
  8. 1092727
  9. 912673
  10. 912673
  11. 884736
  12. 1191016
  13. 1018108216
  14. 1030301
  15. 970299
  16. 1061208000
  17. 970299
  18. 778688
  19. 804357
  20. 1033364331
  21. 1124864
  22. 830584
  23. 1033364331
  24. 1092727
  25. 1051871913
  26. 1157625
  27. 964430272
  28. 944076141
  29. 952763904
  30. 912673
  31. 778688
  32. 857375
  33. 1015075125
  34. 857375
  35. 830584
  36. 1157625
  37. 1030301
  38. 830584
  39. 994011992
  40. 982107784

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