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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 472 · 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. 1.1009³ =
  2. 2.1001³ =
  3. 3.103³ =
  4. 4.99³ =
  5. 5.96³ =
  6. 6.103³ =
  7. 7.1018³ =
  8. 8.104³ =
  9. 9.104³ =
  10. 10.98³ =
  11. 11.109³ =
  12. 12.97³ =
  13. 13.105³ =
  14. 14.987³ =
  15. 15.1007³ =
  16. 16.1020³ =
  17. 17.986³ =
  18. 18.1006³ =
  19. 19.991³ =
  20. 20.101³ =
  21. 21.103³ =
  22. 22.97³ =
  23. 23.99³ =
  24. 24.104³ =
  25. 25.981³ =
  26. 26.98³ =
  27. 27.991³ =
  28. 28.101³ =
  29. 29.1010³ =
  30. 30.1013³ =
  31. 31.1001³ =
  32. 32.980³ =
  33. 33.102³ =
  34. 34.94³ =
  35. 35.1017³ =
  36. 36.91³ =
  37. 37.1014³ =
  38. 38.1003³ =
  39. 39.94³ =
  40. 40.104³ =

Answer key

  1. 1027243729
  2. 1003003001
  3. 1092727
  4. 970299
  5. 884736
  6. 1092727
  7. 1054977832
  8. 1124864
  9. 1124864
  10. 941192
  11. 1295029
  12. 912673
  13. 1157625
  14. 961504803
  15. 1021147343
  16. 1061208000
  17. 958585256
  18. 1018108216
  19. 973242271
  20. 1030301
  21. 1092727
  22. 912673
  23. 970299
  24. 1124864
  25. 944076141
  26. 941192
  27. 973242271
  28. 1030301
  29. 1030301000
  30. 1039509197
  31. 1003003001
  32. 941192000
  33. 1061208
  34. 830584
  35. 1051871913
  36. 753571
  37. 1042590744
  38. 1009027027
  39. 830584
  40. 1124864

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