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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 326 · 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. 1.91³ =
  2. 2.99³ =
  3. 3.989³ =
  4. 4.99³ =
  5. 5.1004³ =
  6. 6.93³ =
  7. 7.107³ =
  8. 8.1008³ =
  9. 9.995³ =
  10. 10.999³ =
  11. 11.92³ =
  12. 12.93³ =
  13. 13.91³ =
  14. 14.98³ =
  15. 15.987³ =
  16. 16.103³ =
  17. 17.106³ =
  18. 18.999³ =
  19. 19.1006³ =
  20. 20.981³ =
  21. 21.993³ =
  22. 22.1005³ =
  23. 23.1016³ =
  24. 24.102³ =
  25. 25.986³ =
  26. 26.1013³ =
  27. 27.94³ =
  28. 28.983³ =
  29. 29.95³ =
  30. 30.95³ =
  31. 31.91³ =
  32. 32.98³ =
  33. 33.989³ =
  34. 34.998³ =
  35. 35.993³ =
  36. 36.91³ =
  37. 37.990³ =
  38. 38.1014³ =
  39. 39.92³ =
  40. 40.96³ =

Answer key

  1. 753571
  2. 970299
  3. 967361669
  4. 970299
  5. 1012048064
  6. 804357
  7. 1225043
  8. 1024192512
  9. 985074875
  10. 997002999
  11. 778688
  12. 804357
  13. 753571
  14. 941192
  15. 961504803
  16. 1092727
  17. 1191016
  18. 997002999
  19. 1018108216
  20. 944076141
  21. 979146657
  22. 1015075125
  23. 1048772096
  24. 1061208
  25. 958585256
  26. 1039509197
  27. 830584
  28. 949862087
  29. 857375
  30. 857375
  31. 753571
  32. 941192
  33. 967361669
  34. 994011992
  35. 979146657
  36. 753571
  37. 970299000
  38. 1042590744
  39. 778688
  40. 884736

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