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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 554 · 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. 1.93³ =
  2. 2.106³ =
  3. 3.1003³ =
  4. 4.1013³ =
  5. 5.98³ =
  6. 6.105³ =
  7. 7.106³ =
  8. 8.1005³ =
  9. 9.980³ =
  10. 10.986³ =
  11. 11.93³ =
  12. 12.97³ =
  13. 13.91³ =
  14. 14.999³ =
  15. 15.103³ =
  16. 16.99³ =
  17. 17.97³ =
  18. 18.985³ =
  19. 19.994³ =
  20. 20.102³ =
  21. 21.986³ =
  22. 22.1020³ =
  23. 23.93³ =
  24. 24.992³ =
  25. 25.106³ =
  26. 26.95³ =
  27. 27.988³ =
  28. 28.94³ =
  29. 29.107³ =
  30. 30.1016³ =
  31. 31.1012³ =
  32. 32.984³ =
  33. 33.996³ =
  34. 34.992³ =
  35. 35.102³ =
  36. 36.1005³ =
  37. 37.999³ =
  38. 38.103³ =
  39. 39.1005³ =
  40. 40.1005³ =

Answer key

  1. 804357
  2. 1191016
  3. 1009027027
  4. 1039509197
  5. 941192
  6. 1157625
  7. 1191016
  8. 1015075125
  9. 941192000
  10. 958585256
  11. 804357
  12. 912673
  13. 753571
  14. 997002999
  15. 1092727
  16. 970299
  17. 912673
  18. 955671625
  19. 982107784
  20. 1061208
  21. 958585256
  22. 1061208000
  23. 804357
  24. 976191488
  25. 1191016
  26. 857375
  27. 964430272
  28. 830584
  29. 1225043
  30. 1048772096
  31. 1036433728
  32. 952763904
  33. 988047936
  34. 976191488
  35. 1061208
  36. 1015075125
  37. 997002999
  38. 1092727
  39. 1015075125
  40. 1015075125

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