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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 715 · 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. 1.1008³ =
  2. 2.101³ =
  3. 3.99³ =
  4. 4.97³ =
  5. 5.108³ =
  6. 6.96³ =
  7. 7.1020³ =
  8. 8.98³ =
  9. 9.91³ =
  10. 10.98³ =
  11. 11.98³ =
  12. 12.94³ =
  13. 13.103³ =
  14. 14.96³ =
  15. 15.107³ =
  16. 16.106³ =
  17. 17.1020³ =
  18. 18.107³ =
  19. 19.996³ =
  20. 20.989³ =
  21. 21.998³ =
  22. 22.102³ =
  23. 23.1002³ =
  24. 24.91³ =
  25. 25.990³ =
  26. 26.99³ =
  27. 27.104³ =
  28. 28.1007³ =
  29. 29.93³ =
  30. 30.993³ =
  31. 31.109³ =
  32. 32.96³ =
  33. 33.987³ =
  34. 34.997³ =
  35. 35.987³ =
  36. 36.92³ =
  37. 37.96³ =
  38. 38.1012³ =
  39. 39.1005³ =
  40. 40.1007³ =

Answer key

  1. 1024192512
  2. 1030301
  3. 970299
  4. 912673
  5. 1259712
  6. 884736
  7. 1061208000
  8. 941192
  9. 753571
  10. 941192
  11. 941192
  12. 830584
  13. 1092727
  14. 884736
  15. 1225043
  16. 1191016
  17. 1061208000
  18. 1225043
  19. 988047936
  20. 967361669
  21. 994011992
  22. 1061208
  23. 1006012008
  24. 753571
  25. 970299000
  26. 970299
  27. 1124864
  28. 1021147343
  29. 804357
  30. 979146657
  31. 1295029
  32. 884736
  33. 961504803
  34. 991026973
  35. 961504803
  36. 778688
  37. 884736
  38. 1036433728
  39. 1015075125
  40. 1021147343

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