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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 499 · 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. 1.108³ =
  2. 2.105³ =
  3. 3.1016³ =
  4. 4.94³ =
  5. 5.1013³ =
  6. 6.109³ =
  7. 7.998³ =
  8. 8.102³ =
  9. 9.994³ =
  10. 10.105³ =
  11. 11.94³ =
  12. 12.1001³ =
  13. 13.1003³ =
  14. 14.1005³ =
  15. 15.107³ =
  16. 16.108³ =
  17. 17.999³ =
  18. 18.994³ =
  19. 19.1005³ =
  20. 20.98³ =
  21. 21.94³ =
  22. 22.105³ =
  23. 23.1001³ =
  24. 24.104³ =
  25. 25.984³ =
  26. 26.1005³ =
  27. 27.101³ =
  28. 28.98³ =
  29. 29.989³ =
  30. 30.93³ =
  31. 31.109³ =
  32. 32.987³ =
  33. 33.101³ =
  34. 34.102³ =
  35. 35.91³ =
  36. 36.92³ =
  37. 37.91³ =
  38. 38.1006³ =
  39. 39.994³ =
  40. 40.104³ =

Answer key

  1. 1259712
  2. 1157625
  3. 1048772096
  4. 830584
  5. 1039509197
  6. 1295029
  7. 994011992
  8. 1061208
  9. 982107784
  10. 1157625
  11. 830584
  12. 1003003001
  13. 1009027027
  14. 1015075125
  15. 1225043
  16. 1259712
  17. 997002999
  18. 982107784
  19. 1015075125
  20. 941192
  21. 830584
  22. 1157625
  23. 1003003001
  24. 1124864
  25. 952763904
  26. 1015075125
  27. 1030301
  28. 941192
  29. 967361669
  30. 804357
  31. 1295029
  32. 961504803
  33. 1030301
  34. 1061208
  35. 753571
  36. 778688
  37. 753571
  38. 1018108216
  39. 982107784
  40. 1124864

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