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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 321 · 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. 1.1001³ =
  2. 2.992³ =
  3. 3.1013³ =
  4. 4.102³ =
  5. 5.1002³ =
  6. 6.985³ =
  7. 7.99³ =
  8. 8.91³ =
  9. 9.102³ =
  10. 10.92³ =
  11. 11.94³ =
  12. 12.1001³ =
  13. 13.1003³ =
  14. 14.1008³ =
  15. 15.102³ =
  16. 16.97³ =
  17. 17.1017³ =
  18. 18.1016³ =
  19. 19.994³ =
  20. 20.103³ =
  21. 21.109³ =
  22. 22.1014³ =
  23. 23.995³ =
  24. 24.99³ =
  25. 25.94³ =
  26. 26.987³ =
  27. 27.981³ =
  28. 28.1014³ =
  29. 29.989³ =
  30. 30.99³ =
  31. 31.93³ =
  32. 32.92³ =
  33. 33.1006³ =
  34. 34.95³ =
  35. 35.981³ =
  36. 36.1020³ =
  37. 37.108³ =
  38. 38.1015³ =
  39. 39.1007³ =
  40. 40.93³ =

Answer key

  1. 1003003001
  2. 976191488
  3. 1039509197
  4. 1061208
  5. 1006012008
  6. 955671625
  7. 970299
  8. 753571
  9. 1061208
  10. 778688
  11. 830584
  12. 1003003001
  13. 1009027027
  14. 1024192512
  15. 1061208
  16. 912673
  17. 1051871913
  18. 1048772096
  19. 982107784
  20. 1092727
  21. 1295029
  22. 1042590744
  23. 985074875
  24. 970299
  25. 830584
  26. 961504803
  27. 944076141
  28. 1042590744
  29. 967361669
  30. 970299
  31. 804357
  32. 778688
  33. 1018108216
  34. 857375
  35. 944076141
  36. 1061208000
  37. 1259712
  38. 1045678375
  39. 1021147343
  40. 804357

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