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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 987 · 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. 1.106³ =
  2. 2.1016³ =
  3. 3.103³ =
  4. 4.1020³ =
  5. 5.94³ =
  6. 6.1009³ =
  7. 7.990³ =
  8. 8.1015³ =
  9. 9.1003³ =
  10. 10.1019³ =
  11. 11.94³ =
  12. 12.91³ =
  13. 13.102³ =
  14. 14.101³ =
  15. 15.94³ =
  16. 16.94³ =
  17. 17.1010³ =
  18. 18.92³ =
  19. 19.107³ =
  20. 20.1014³ =
  21. 21.97³ =
  22. 22.1010³ =
  23. 23.104³ =
  24. 24.988³ =
  25. 25.104³ =
  26. 26.98³ =
  27. 27.1006³ =
  28. 28.104³ =
  29. 29.97³ =
  30. 30.997³ =
  31. 31.1001³ =
  32. 32.94³ =
  33. 33.1013³ =
  34. 34.988³ =
  35. 35.109³ =
  36. 36.987³ =
  37. 37.97³ =
  38. 38.1009³ =
  39. 39.1005³ =
  40. 40.104³ =

Answer key

  1. 1191016
  2. 1048772096
  3. 1092727
  4. 1061208000
  5. 830584
  6. 1027243729
  7. 970299000
  8. 1045678375
  9. 1009027027
  10. 1058089859
  11. 830584
  12. 753571
  13. 1061208
  14. 1030301
  15. 830584
  16. 830584
  17. 1030301000
  18. 778688
  19. 1225043
  20. 1042590744
  21. 912673
  22. 1030301000
  23. 1124864
  24. 964430272
  25. 1124864
  26. 941192
  27. 1018108216
  28. 1124864
  29. 912673
  30. 991026973
  31. 1003003001
  32. 830584
  33. 1039509197
  34. 964430272
  35. 1295029
  36. 961504803
  37. 912673
  38. 1027243729
  39. 1015075125
  40. 1124864

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