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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 594 · 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. 1.1001³ =
  2. 2.94³ =
  3. 3.1005³ =
  4. 4.983³ =
  5. 5.101³ =
  6. 6.108³ =
  7. 7.990³ =
  8. 8.94³ =
  9. 9.996³ =
  10. 10.109³ =
  11. 11.1003³ =
  12. 12.988³ =
  13. 13.987³ =
  14. 14.1002³ =
  15. 15.94³ =
  16. 16.105³ =
  17. 17.984³ =
  18. 18.107³ =
  19. 19.95³ =
  20. 20.1012³ =
  21. 21.101³ =
  22. 22.993³ =
  23. 23.93³ =
  24. 24.1006³ =
  25. 25.92³ =
  26. 26.108³ =
  27. 27.1018³ =
  28. 28.93³ =
  29. 29.999³ =
  30. 30.97³ =
  31. 31.996³ =
  32. 32.109³ =
  33. 33.985³ =
  34. 34.1010³ =
  35. 35.101³ =
  36. 36.983³ =
  37. 37.101³ =
  38. 38.101³ =
  39. 39.999³ =
  40. 40.102³ =

Answer key

  1. 1003003001
  2. 830584
  3. 1015075125
  4. 949862087
  5. 1030301
  6. 1259712
  7. 970299000
  8. 830584
  9. 988047936
  10. 1295029
  11. 1009027027
  12. 964430272
  13. 961504803
  14. 1006012008
  15. 830584
  16. 1157625
  17. 952763904
  18. 1225043
  19. 857375
  20. 1036433728
  21. 1030301
  22. 979146657
  23. 804357
  24. 1018108216
  25. 778688
  26. 1259712
  27. 1054977832
  28. 804357
  29. 997002999
  30. 912673
  31. 988047936
  32. 1295029
  33. 955671625
  34. 1030301000
  35. 1030301
  36. 949862087
  37. 1030301
  38. 1030301
  39. 997002999
  40. 1061208

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