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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 825 · 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. 1.101³ =
  2. 2.996³ =
  3. 3.993³ =
  4. 4.1010³ =
  5. 5.987³ =
  6. 6.102³ =
  7. 7.98³ =
  8. 8.101³ =
  9. 9.92³ =
  10. 10.993³ =
  11. 11.1020³ =
  12. 12.91³ =
  13. 13.97³ =
  14. 14.1006³ =
  15. 15.103³ =
  16. 16.96³ =
  17. 17.999³ =
  18. 18.106³ =
  19. 19.108³ =
  20. 20.109³ =
  21. 21.980³ =
  22. 22.995³ =
  23. 23.1019³ =
  24. 24.998³ =
  25. 25.95³ =
  26. 26.91³ =
  27. 27.103³ =
  28. 28.1014³ =
  29. 29.1010³ =
  30. 30.107³ =
  31. 31.989³ =
  32. 32.993³ =
  33. 33.1003³ =
  34. 34.106³ =
  35. 35.986³ =
  36. 36.91³ =
  37. 37.97³ =
  38. 38.1013³ =
  39. 39.109³ =
  40. 40.987³ =

Answer key

  1. 1030301
  2. 988047936
  3. 979146657
  4. 1030301000
  5. 961504803
  6. 1061208
  7. 941192
  8. 1030301
  9. 778688
  10. 979146657
  11. 1061208000
  12. 753571
  13. 912673
  14. 1018108216
  15. 1092727
  16. 884736
  17. 997002999
  18. 1191016
  19. 1259712
  20. 1295029
  21. 941192000
  22. 985074875
  23. 1058089859
  24. 994011992
  25. 857375
  26. 753571
  27. 1092727
  28. 1042590744
  29. 1030301000
  30. 1225043
  31. 967361669
  32. 979146657
  33. 1009027027
  34. 1191016
  35. 958585256
  36. 753571
  37. 912673
  38. 1039509197
  39. 1295029
  40. 961504803

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