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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 878 · 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. 1.984³ =
  2. 2.102³ =
  3. 3.987³ =
  4. 4.994³ =
  5. 5.98³ =
  6. 6.96³ =
  7. 7.1019³ =
  8. 8.1002³ =
  9. 9.91³ =
  10. 10.92³ =
  11. 11.99³ =
  12. 12.94³ =
  13. 13.990³ =
  14. 14.997³ =
  15. 15.1006³ =
  16. 16.92³ =
  17. 17.99³ =
  18. 18.97³ =
  19. 19.98³ =
  20. 20.97³ =
  21. 21.109³ =
  22. 22.1003³ =
  23. 23.1008³ =
  24. 24.91³ =
  25. 25.1007³ =
  26. 26.994³ =
  27. 27.1003³ =
  28. 28.105³ =
  29. 29.109³ =
  30. 30.103³ =
  31. 31.101³ =
  32. 32.1001³ =
  33. 33.988³ =
  34. 34.1004³ =
  35. 35.98³ =
  36. 36.985³ =
  37. 37.108³ =
  38. 38.108³ =
  39. 39.107³ =
  40. 40.1020³ =

Answer key

  1. 952763904
  2. 1061208
  3. 961504803
  4. 982107784
  5. 941192
  6. 884736
  7. 1058089859
  8. 1006012008
  9. 753571
  10. 778688
  11. 970299
  12. 830584
  13. 970299000
  14. 991026973
  15. 1018108216
  16. 778688
  17. 970299
  18. 912673
  19. 941192
  20. 912673
  21. 1295029
  22. 1009027027
  23. 1024192512
  24. 753571
  25. 1021147343
  26. 982107784
  27. 1009027027
  28. 1157625
  29. 1295029
  30. 1092727
  31. 1030301
  32. 1003003001
  33. 964430272
  34. 1012048064
  35. 941192
  36. 955671625
  37. 1259712
  38. 1259712
  39. 1225043
  40. 1061208000

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