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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 479 · 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. 1.994³ =
  2. 2.94³ =
  3. 3.993³ =
  4. 4.992³ =
  5. 5.107³ =
  6. 6.990³ =
  7. 7.989³ =
  8. 8.1007³ =
  9. 9.986³ =
  10. 10.91³ =
  11. 11.103³ =
  12. 12.983³ =
  13. 13.1016³ =
  14. 14.93³ =
  15. 15.107³ =
  16. 16.94³ =
  17. 17.107³ =
  18. 18.985³ =
  19. 19.95³ =
  20. 20.994³ =
  21. 21.91³ =
  22. 22.1004³ =
  23. 23.987³ =
  24. 24.999³ =
  25. 25.95³ =
  26. 26.102³ =
  27. 27.93³ =
  28. 28.106³ =
  29. 29.1013³ =
  30. 30.105³ =
  31. 31.1002³ =
  32. 32.103³ =
  33. 33.987³ =
  34. 34.94³ =
  35. 35.1009³ =
  36. 36.92³ =
  37. 37.997³ =
  38. 38.991³ =
  39. 39.1001³ =
  40. 40.982³ =

Answer key

  1. 982107784
  2. 830584
  3. 979146657
  4. 976191488
  5. 1225043
  6. 970299000
  7. 967361669
  8. 1021147343
  9. 958585256
  10. 753571
  11. 1092727
  12. 949862087
  13. 1048772096
  14. 804357
  15. 1225043
  16. 830584
  17. 1225043
  18. 955671625
  19. 857375
  20. 982107784
  21. 753571
  22. 1012048064
  23. 961504803
  24. 997002999
  25. 857375
  26. 1061208
  27. 804357
  28. 1191016
  29. 1039509197
  30. 1157625
  31. 1006012008
  32. 1092727
  33. 961504803
  34. 830584
  35. 1027243729
  36. 778688
  37. 991026973
  38. 973242271
  39. 1003003001
  40. 946966168

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