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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 870 · 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. 1.991³ =
  2. 2.101³ =
  3. 3.993³ =
  4. 4.994³ =
  5. 5.984³ =
  6. 6.105³ =
  7. 7.106³ =
  8. 8.95³ =
  9. 9.102³ =
  10. 10.987³ =
  11. 11.992³ =
  12. 12.108³ =
  13. 13.1009³ =
  14. 14.106³ =
  15. 15.987³ =
  16. 16.103³ =
  17. 17.106³ =
  18. 18.92³ =
  19. 19.107³ =
  20. 20.986³ =
  21. 21.92³ =
  22. 22.103³ =
  23. 23.95³ =
  24. 24.92³ =
  25. 25.980³ =
  26. 26.107³ =
  27. 27.106³ =
  28. 28.1002³ =
  29. 29.97³ =
  30. 30.97³ =
  31. 31.109³ =
  32. 32.109³ =
  33. 33.95³ =
  34. 34.107³ =
  35. 35.1003³ =
  36. 36.984³ =
  37. 37.96³ =
  38. 38.97³ =
  39. 39.981³ =
  40. 40.991³ =

Answer key

  1. 973242271
  2. 1030301
  3. 979146657
  4. 982107784
  5. 952763904
  6. 1157625
  7. 1191016
  8. 857375
  9. 1061208
  10. 961504803
  11. 976191488
  12. 1259712
  13. 1027243729
  14. 1191016
  15. 961504803
  16. 1092727
  17. 1191016
  18. 778688
  19. 1225043
  20. 958585256
  21. 778688
  22. 1092727
  23. 857375
  24. 778688
  25. 941192000
  26. 1225043
  27. 1191016
  28. 1006012008
  29. 912673
  30. 912673
  31. 1295029
  32. 1295029
  33. 857375
  34. 1225043
  35. 1009027027
  36. 952763904
  37. 884736
  38. 912673
  39. 944076141
  40. 973242271

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