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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 901 · 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. 1.95³ =
  2. 2.95³ =
  3. 3.102³ =
  4. 4.1016³ =
  5. 5.999³ =
  6. 6.97³ =
  7. 7.982³ =
  8. 8.99³ =
  9. 9.107³ =
  10. 10.101³ =
  11. 11.97³ =
  12. 12.99³ =
  13. 13.1014³ =
  14. 14.97³ =
  15. 15.94³ =
  16. 16.1011³ =
  17. 17.99³ =
  18. 18.93³ =
  19. 19.96³ =
  20. 20.994³ =
  21. 21.997³ =
  22. 22.1001³ =
  23. 23.987³ =
  24. 24.96³ =
  25. 25.105³ =
  26. 26.95³ =
  27. 27.109³ =
  28. 28.998³ =
  29. 29.991³ =
  30. 30.1004³ =
  31. 31.99³ =
  32. 32.981³ =
  33. 33.991³ =
  34. 34.91³ =
  35. 35.105³ =
  36. 36.106³ =
  37. 37.1019³ =
  38. 38.94³ =
  39. 39.94³ =
  40. 40.93³ =

Answer key

  1. 857375
  2. 857375
  3. 1061208
  4. 1048772096
  5. 997002999
  6. 912673
  7. 946966168
  8. 970299
  9. 1225043
  10. 1030301
  11. 912673
  12. 970299
  13. 1042590744
  14. 912673
  15. 830584
  16. 1033364331
  17. 970299
  18. 804357
  19. 884736
  20. 982107784
  21. 991026973
  22. 1003003001
  23. 961504803
  24. 884736
  25. 1157625
  26. 857375
  27. 1295029
  28. 994011992
  29. 973242271
  30. 1012048064
  31. 970299
  32. 944076141
  33. 973242271
  34. 753571
  35. 1157625
  36. 1191016
  37. 1058089859
  38. 830584
  39. 830584
  40. 804357

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