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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 598 · 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. 1.980³ =
  2. 2.92³ =
  3. 3.1013³ =
  4. 4.94³ =
  5. 5.981³ =
  6. 6.94³ =
  7. 7.983³ =
  8. 8.101³ =
  9. 9.102³ =
  10. 10.99³ =
  11. 11.982³ =
  12. 12.98³ =
  13. 13.104³ =
  14. 14.1012³ =
  15. 15.1007³ =
  16. 16.101³ =
  17. 17.96³ =
  18. 18.1003³ =
  19. 19.1017³ =
  20. 20.101³ =
  21. 21.1018³ =
  22. 22.97³ =
  23. 23.98³ =
  24. 24.103³ =
  25. 25.1007³ =
  26. 26.109³ =
  27. 27.992³ =
  28. 28.984³ =
  29. 29.991³ =
  30. 30.91³ =
  31. 31.103³ =
  32. 32.983³ =
  33. 33.95³ =
  34. 34.94³ =
  35. 35.1012³ =
  36. 36.93³ =
  37. 37.92³ =
  38. 38.103³ =
  39. 39.102³ =
  40. 40.93³ =

Answer key

  1. 941192000
  2. 778688
  3. 1039509197
  4. 830584
  5. 944076141
  6. 830584
  7. 949862087
  8. 1030301
  9. 1061208
  10. 970299
  11. 946966168
  12. 941192
  13. 1124864
  14. 1036433728
  15. 1021147343
  16. 1030301
  17. 884736
  18. 1009027027
  19. 1051871913
  20. 1030301
  21. 1054977832
  22. 912673
  23. 941192
  24. 1092727
  25. 1021147343
  26. 1295029
  27. 976191488
  28. 952763904
  29. 973242271
  30. 753571
  31. 1092727
  32. 949862087
  33. 857375
  34. 830584
  35. 1036433728
  36. 804357
  37. 778688
  38. 1092727
  39. 1061208
  40. 804357

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