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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 83 · 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. 1.103³ =
  2. 2.102³ =
  3. 3.1012³ =
  4. 4.97³ =
  5. 5.99³ =
  6. 6.94³ =
  7. 7.102³ =
  8. 8.109³ =
  9. 9.986³ =
  10. 10.1010³ =
  11. 11.99³ =
  12. 12.997³ =
  13. 13.1009³ =
  14. 14.102³ =
  15. 15.99³ =
  16. 16.985³ =
  17. 17.993³ =
  18. 18.992³ =
  19. 19.985³ =
  20. 20.108³ =
  21. 21.92³ =
  22. 22.1010³ =
  23. 23.984³ =
  24. 24.93³ =
  25. 25.104³ =
  26. 26.985³ =
  27. 27.104³ =
  28. 28.991³ =
  29. 29.97³ =
  30. 30.94³ =
  31. 31.1016³ =
  32. 32.91³ =
  33. 33.984³ =
  34. 34.93³ =
  35. 35.1018³ =
  36. 36.107³ =
  37. 37.102³ =
  38. 38.108³ =
  39. 39.99³ =
  40. 40.92³ =

Answer key

  1. 1092727
  2. 1061208
  3. 1036433728
  4. 912673
  5. 970299
  6. 830584
  7. 1061208
  8. 1295029
  9. 958585256
  10. 1030301000
  11. 970299
  12. 991026973
  13. 1027243729
  14. 1061208
  15. 970299
  16. 955671625
  17. 979146657
  18. 976191488
  19. 955671625
  20. 1259712
  21. 778688
  22. 1030301000
  23. 952763904
  24. 804357
  25. 1124864
  26. 955671625
  27. 1124864
  28. 973242271
  29. 912673
  30. 830584
  31. 1048772096
  32. 753571
  33. 952763904
  34. 804357
  35. 1054977832
  36. 1225043
  37. 1061208
  38. 1259712
  39. 970299
  40. 778688

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