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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 110 · 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. 1.1008³ =
  2. 2.98³ =
  3. 3.98³ =
  4. 4.108³ =
  5. 5.987³ =
  6. 6.103³ =
  7. 7.91³ =
  8. 8.1009³ =
  9. 9.1013³ =
  10. 10.991³ =
  11. 11.987³ =
  12. 12.104³ =
  13. 13.102³ =
  14. 14.109³ =
  15. 15.97³ =
  16. 16.1010³ =
  17. 17.99³ =
  18. 18.983³ =
  19. 19.92³ =
  20. 20.983³ =
  21. 21.1015³ =
  22. 22.104³ =
  23. 23.96³ =
  24. 24.103³ =
  25. 25.93³ =
  26. 26.995³ =
  27. 27.1014³ =
  28. 28.94³ =
  29. 29.101³ =
  30. 30.1004³ =
  31. 31.93³ =
  32. 32.104³ =
  33. 33.102³ =
  34. 34.981³ =
  35. 35.1007³ =
  36. 36.93³ =
  37. 37.983³ =
  38. 38.99³ =
  39. 39.94³ =
  40. 40.101³ =

Answer key

  1. 1024192512
  2. 941192
  3. 941192
  4. 1259712
  5. 961504803
  6. 1092727
  7. 753571
  8. 1027243729
  9. 1039509197
  10. 973242271
  11. 961504803
  12. 1124864
  13. 1061208
  14. 1295029
  15. 912673
  16. 1030301000
  17. 970299
  18. 949862087
  19. 778688
  20. 949862087
  21. 1045678375
  22. 1124864
  23. 884736
  24. 1092727
  25. 804357
  26. 985074875
  27. 1042590744
  28. 830584
  29. 1030301
  30. 1012048064
  31. 804357
  32. 1124864
  33. 1061208
  34. 944076141
  35. 1021147343
  36. 804357
  37. 949862087
  38. 970299
  39. 830584
  40. 1030301

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