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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 124 · 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. 1.1011³ =
  2. 2.98³ =
  3. 3.92³ =
  4. 4.1001³ =
  5. 5.986³ =
  6. 6.97³ =
  7. 7.1013³ =
  8. 8.104³ =
  9. 9.98³ =
  10. 10.107³ =
  11. 11.998³ =
  12. 12.1015³ =
  13. 13.103³ =
  14. 14.981³ =
  15. 15.104³ =
  16. 16.990³ =
  17. 17.989³ =
  18. 18.104³ =
  19. 19.99³ =
  20. 20.104³ =
  21. 21.95³ =
  22. 22.103³ =
  23. 23.92³ =
  24. 24.91³ =
  25. 25.99³ =
  26. 26.1003³ =
  27. 27.986³ =
  28. 28.93³ =
  29. 29.995³ =
  30. 30.1017³ =
  31. 31.94³ =
  32. 32.1019³ =
  33. 33.1011³ =
  34. 34.1006³ =
  35. 35.1010³ =
  36. 36.105³ =
  37. 37.999³ =
  38. 38.1017³ =
  39. 39.109³ =
  40. 40.108³ =

Answer key

  1. 1033364331
  2. 941192
  3. 778688
  4. 1003003001
  5. 958585256
  6. 912673
  7. 1039509197
  8. 1124864
  9. 941192
  10. 1225043
  11. 994011992
  12. 1045678375
  13. 1092727
  14. 944076141
  15. 1124864
  16. 970299000
  17. 967361669
  18. 1124864
  19. 970299
  20. 1124864
  21. 857375
  22. 1092727
  23. 778688
  24. 753571
  25. 970299
  26. 1009027027
  27. 958585256
  28. 804357
  29. 985074875
  30. 1051871913
  31. 830584
  32. 1058089859
  33. 1033364331
  34. 1018108216
  35. 1030301000
  36. 1157625
  37. 997002999
  38. 1051871913
  39. 1295029
  40. 1259712

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