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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 944 · 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. 1.999³ =
  2. 2.91³ =
  3. 3.104³ =
  4. 4.92³ =
  5. 5.1007³ =
  6. 6.97³ =
  7. 7.105³ =
  8. 8.101³ =
  9. 9.1014³ =
  10. 10.96³ =
  11. 11.993³ =
  12. 12.96³ =
  13. 13.1015³ =
  14. 14.1016³ =
  15. 15.103³ =
  16. 16.993³ =
  17. 17.96³ =
  18. 18.102³ =
  19. 19.986³ =
  20. 20.994³ =
  21. 21.93³ =
  22. 22.95³ =
  23. 23.94³ =
  24. 24.95³ =
  25. 25.987³ =
  26. 26.983³ =
  27. 27.985³ =
  28. 28.106³ =
  29. 29.99³ =
  30. 30.97³ =
  31. 31.995³ =
  32. 32.989³ =
  33. 33.98³ =
  34. 34.109³ =
  35. 35.94³ =
  36. 36.992³ =
  37. 37.1007³ =
  38. 38.996³ =
  39. 39.1009³ =
  40. 40.108³ =

Answer key

  1. 997002999
  2. 753571
  3. 1124864
  4. 778688
  5. 1021147343
  6. 912673
  7. 1157625
  8. 1030301
  9. 1042590744
  10. 884736
  11. 979146657
  12. 884736
  13. 1045678375
  14. 1048772096
  15. 1092727
  16. 979146657
  17. 884736
  18. 1061208
  19. 958585256
  20. 982107784
  21. 804357
  22. 857375
  23. 830584
  24. 857375
  25. 961504803
  26. 949862087
  27. 955671625
  28. 1191016
  29. 970299
  30. 912673
  31. 985074875
  32. 967361669
  33. 941192
  34. 1295029
  35. 830584
  36. 976191488
  37. 1021147343
  38. 988047936
  39. 1027243729
  40. 1259712

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