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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 372 · 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. 2.93³ =
  3. 3.105³ =
  4. 4.93³ =
  5. 5.1018³ =
  6. 6.107³ =
  7. 7.996³ =
  8. 8.108³ =
  9. 9.96³ =
  10. 10.1001³ =
  11. 11.107³ =
  12. 12.91³ =
  13. 13.993³ =
  14. 14.1014³ =
  15. 15.1019³ =
  16. 16.95³ =
  17. 17.91³ =
  18. 18.101³ =
  19. 19.103³ =
  20. 20.1007³ =
  21. 21.95³ =
  22. 22.984³ =
  23. 23.91³ =
  24. 24.107³ =
  25. 25.98³ =
  26. 26.102³ =
  27. 27.94³ =
  28. 28.99³ =
  29. 29.104³ =
  30. 30.107³ =
  31. 31.1003³ =
  32. 32.101³ =
  33. 33.987³ =
  34. 34.94³ =
  35. 35.99³ =
  36. 36.986³ =
  37. 37.996³ =
  38. 38.95³ =
  39. 39.93³ =
  40. 40.1011³ =

Answer key

  1. 1030301
  2. 804357
  3. 1157625
  4. 804357
  5. 1054977832
  6. 1225043
  7. 988047936
  8. 1259712
  9. 884736
  10. 1003003001
  11. 1225043
  12. 753571
  13. 979146657
  14. 1042590744
  15. 1058089859
  16. 857375
  17. 753571
  18. 1030301
  19. 1092727
  20. 1021147343
  21. 857375
  22. 952763904
  23. 753571
  24. 1225043
  25. 941192
  26. 1061208
  27. 830584
  28. 970299
  29. 1124864
  30. 1225043
  31. 1009027027
  32. 1030301
  33. 961504803
  34. 830584
  35. 970299
  36. 958585256
  37. 988047936
  38. 857375
  39. 804357
  40. 1033364331

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