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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 725 · 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. 1.91³ =
  2. 2.102³ =
  3. 3.995³ =
  4. 4.986³ =
  5. 5.982³ =
  6. 6.989³ =
  7. 7.996³ =
  8. 8.108³ =
  9. 9.94³ =
  10. 10.105³ =
  11. 11.101³ =
  12. 12.102³ =
  13. 13.1019³ =
  14. 14.103³ =
  15. 15.990³ =
  16. 16.96³ =
  17. 17.982³ =
  18. 18.98³ =
  19. 19.92³ =
  20. 20.989³ =
  21. 21.107³ =
  22. 22.1016³ =
  23. 23.99³ =
  24. 24.996³ =
  25. 25.996³ =
  26. 26.91³ =
  27. 27.97³ =
  28. 28.98³ =
  29. 29.108³ =
  30. 30.101³ =
  31. 31.99³ =
  32. 32.991³ =
  33. 33.107³ =
  34. 34.99³ =
  35. 35.1004³ =
  36. 36.93³ =
  37. 37.992³ =
  38. 38.94³ =
  39. 39.1011³ =
  40. 40.985³ =

Answer key

  1. 753571
  2. 1061208
  3. 985074875
  4. 958585256
  5. 946966168
  6. 967361669
  7. 988047936
  8. 1259712
  9. 830584
  10. 1157625
  11. 1030301
  12. 1061208
  13. 1058089859
  14. 1092727
  15. 970299000
  16. 884736
  17. 946966168
  18. 941192
  19. 778688
  20. 967361669
  21. 1225043
  22. 1048772096
  23. 970299
  24. 988047936
  25. 988047936
  26. 753571
  27. 912673
  28. 941192
  29. 1259712
  30. 1030301
  31. 970299
  32. 973242271
  33. 1225043
  34. 970299
  35. 1012048064
  36. 804357
  37. 976191488
  38. 830584
  39. 1033364331
  40. 955671625

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