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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 332 · 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. 1.102³ =
  2. 2.102³ =
  3. 3.1019³ =
  4. 4.92³ =
  5. 5.98³ =
  6. 6.94³ =
  7. 7.982³ =
  8. 8.1001³ =
  9. 9.98³ =
  10. 10.986³ =
  11. 11.1004³ =
  12. 12.1013³ =
  13. 13.996³ =
  14. 14.995³ =
  15. 15.990³ =
  16. 16.1007³ =
  17. 17.99³ =
  18. 18.995³ =
  19. 19.996³ =
  20. 20.99³ =
  21. 21.107³ =
  22. 22.96³ =
  23. 23.1002³ =
  24. 24.96³ =
  25. 25.92³ =
  26. 26.996³ =
  27. 27.1002³ =
  28. 28.105³ =
  29. 29.94³ =
  30. 30.1007³ =
  31. 31.94³ =
  32. 32.106³ =
  33. 33.989³ =
  34. 34.99³ =
  35. 35.97³ =
  36. 36.998³ =
  37. 37.97³ =
  38. 38.91³ =
  39. 39.96³ =
  40. 40.93³ =

Answer key

  1. 1061208
  2. 1061208
  3. 1058089859
  4. 778688
  5. 941192
  6. 830584
  7. 946966168
  8. 1003003001
  9. 941192
  10. 958585256
  11. 1012048064
  12. 1039509197
  13. 988047936
  14. 985074875
  15. 970299000
  16. 1021147343
  17. 970299
  18. 985074875
  19. 988047936
  20. 970299
  21. 1225043
  22. 884736
  23. 1006012008
  24. 884736
  25. 778688
  26. 988047936
  27. 1006012008
  28. 1157625
  29. 830584
  30. 1021147343
  31. 830584
  32. 1191016
  33. 967361669
  34. 970299
  35. 912673
  36. 994011992
  37. 912673
  38. 753571
  39. 884736
  40. 804357

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