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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 53 · 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. 1.983³ =
  2. 2.101³ =
  3. 3.984³ =
  4. 4.1019³ =
  5. 5.95³ =
  6. 6.1019³ =
  7. 7.1013³ =
  8. 8.99³ =
  9. 9.1003³ =
  10. 10.95³ =
  11. 11.992³ =
  12. 12.995³ =
  13. 13.1020³ =
  14. 14.96³ =
  15. 15.992³ =
  16. 16.97³ =
  17. 17.1010³ =
  18. 18.984³ =
  19. 19.106³ =
  20. 20.102³ =
  21. 21.995³ =
  22. 22.104³ =
  23. 23.98³ =
  24. 24.98³ =
  25. 25.104³ =
  26. 26.1013³ =
  27. 27.991³ =
  28. 28.1007³ =
  29. 29.92³ =
  30. 30.108³ =
  31. 31.101³ =
  32. 32.990³ =
  33. 33.983³ =
  34. 34.102³ =
  35. 35.980³ =
  36. 36.97³ =
  37. 37.99³ =
  38. 38.1008³ =
  39. 39.997³ =
  40. 40.1013³ =

Answer key

  1. 949862087
  2. 1030301
  3. 952763904
  4. 1058089859
  5. 857375
  6. 1058089859
  7. 1039509197
  8. 970299
  9. 1009027027
  10. 857375
  11. 976191488
  12. 985074875
  13. 1061208000
  14. 884736
  15. 976191488
  16. 912673
  17. 1030301000
  18. 952763904
  19. 1191016
  20. 1061208
  21. 985074875
  22. 1124864
  23. 941192
  24. 941192
  25. 1124864
  26. 1039509197
  27. 973242271
  28. 1021147343
  29. 778688
  30. 1259712
  31. 1030301
  32. 970299000
  33. 949862087
  34. 1061208
  35. 941192000
  36. 912673
  37. 970299
  38. 1024192512
  39. 991026973
  40. 1039509197

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