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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 340 · 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. 1.94³ =
  2. 2.105³ =
  3. 3.1015³ =
  4. 4.108³ =
  5. 5.993³ =
  6. 6.1020³ =
  7. 7.91³ =
  8. 8.103³ =
  9. 9.1007³ =
  10. 10.95³ =
  11. 11.104³ =
  12. 12.93³ =
  13. 13.91³ =
  14. 14.984³ =
  15. 15.108³ =
  16. 16.1001³ =
  17. 17.103³ =
  18. 18.1006³ =
  19. 19.107³ =
  20. 20.106³ =
  21. 21.984³ =
  22. 22.991³ =
  23. 23.998³ =
  24. 24.103³ =
  25. 25.98³ =
  26. 26.104³ =
  27. 27.92³ =
  28. 28.95³ =
  29. 29.102³ =
  30. 30.96³ =
  31. 31.92³ =
  32. 32.1002³ =
  33. 33.984³ =
  34. 34.994³ =
  35. 35.96³ =
  36. 36.1016³ =
  37. 37.986³ =
  38. 38.1005³ =
  39. 39.1008³ =
  40. 40.91³ =

Answer key

  1. 830584
  2. 1157625
  3. 1045678375
  4. 1259712
  5. 979146657
  6. 1061208000
  7. 753571
  8. 1092727
  9. 1021147343
  10. 857375
  11. 1124864
  12. 804357
  13. 753571
  14. 952763904
  15. 1259712
  16. 1003003001
  17. 1092727
  18. 1018108216
  19. 1225043
  20. 1191016
  21. 952763904
  22. 973242271
  23. 994011992
  24. 1092727
  25. 941192
  26. 1124864
  27. 778688
  28. 857375
  29. 1061208
  30. 884736
  31. 778688
  32. 1006012008
  33. 952763904
  34. 982107784
  35. 884736
  36. 1048772096
  37. 958585256
  38. 1015075125
  39. 1024192512
  40. 753571

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