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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 599 · 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. 2.990³ =
  3. 3.93³ =
  4. 4.93³ =
  5. 5.102³ =
  6. 6.993³ =
  7. 7.1010³ =
  8. 8.994³ =
  9. 9.983³ =
  10. 10.1016³ =
  11. 11.988³ =
  12. 12.990³ =
  13. 13.1015³ =
  14. 14.98³ =
  15. 15.97³ =
  16. 16.989³ =
  17. 17.98³ =
  18. 18.95³ =
  19. 19.984³ =
  20. 20.96³ =
  21. 21.987³ =
  22. 22.1003³ =
  23. 23.991³ =
  24. 24.981³ =
  25. 25.107³ =
  26. 26.97³ =
  27. 27.97³ =
  28. 28.107³ =
  29. 29.1001³ =
  30. 30.94³ =
  31. 31.1017³ =
  32. 32.97³ =
  33. 33.980³ =
  34. 34.98³ =
  35. 35.93³ =
  36. 36.106³ =
  37. 37.1002³ =
  38. 38.94³ =
  39. 39.1003³ =
  40. 40.105³ =

Answer key

  1. 949862087
  2. 970299000
  3. 804357
  4. 804357
  5. 1061208
  6. 979146657
  7. 1030301000
  8. 982107784
  9. 949862087
  10. 1048772096
  11. 964430272
  12. 970299000
  13. 1045678375
  14. 941192
  15. 912673
  16. 967361669
  17. 941192
  18. 857375
  19. 952763904
  20. 884736
  21. 961504803
  22. 1009027027
  23. 973242271
  24. 944076141
  25. 1225043
  26. 912673
  27. 912673
  28. 1225043
  29. 1003003001
  30. 830584
  31. 1051871913
  32. 912673
  33. 941192000
  34. 941192
  35. 804357
  36. 1191016
  37. 1006012008
  38. 830584
  39. 1009027027
  40. 1157625

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