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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 20 · 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. 1.95³ =
  2. 2.99³ =
  3. 3.106³ =
  4. 4.1007³ =
  5. 5.987³ =
  6. 6.1005³ =
  7. 7.998³ =
  8. 8.92³ =
  9. 9.95³ =
  10. 10.97³ =
  11. 11.988³ =
  12. 12.1013³ =
  13. 13.1001³ =
  14. 14.987³ =
  15. 15.989³ =
  16. 16.98³ =
  17. 17.99³ =
  18. 18.102³ =
  19. 19.997³ =
  20. 20.1005³ =
  21. 21.106³ =
  22. 22.94³ =
  23. 23.1019³ =
  24. 24.987³ =
  25. 25.101³ =
  26. 26.1008³ =
  27. 27.1010³ =
  28. 28.986³ =
  29. 29.103³ =
  30. 30.109³ =
  31. 31.103³ =
  32. 32.994³ =
  33. 33.93³ =
  34. 34.993³ =
  35. 35.92³ =
  36. 36.1003³ =
  37. 37.101³ =
  38. 38.96³ =
  39. 39.1005³ =
  40. 40.1003³ =

Answer key

  1. 857375
  2. 970299
  3. 1191016
  4. 1021147343
  5. 961504803
  6. 1015075125
  7. 994011992
  8. 778688
  9. 857375
  10. 912673
  11. 964430272
  12. 1039509197
  13. 1003003001
  14. 961504803
  15. 967361669
  16. 941192
  17. 970299
  18. 1061208
  19. 991026973
  20. 1015075125
  21. 1191016
  22. 830584
  23. 1058089859
  24. 961504803
  25. 1030301
  26. 1024192512
  27. 1030301000
  28. 958585256
  29. 1092727
  30. 1295029
  31. 1092727
  32. 982107784
  33. 804357
  34. 979146657
  35. 778688
  36. 1009027027
  37. 1030301
  38. 884736
  39. 1015075125
  40. 1009027027

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