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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 417 · 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. 1.993³ =
  2. 2.994³ =
  3. 3.1005³ =
  4. 4.109³ =
  5. 5.92³ =
  6. 6.106³ =
  7. 7.983³ =
  8. 8.1015³ =
  9. 9.1005³ =
  10. 10.93³ =
  11. 11.93³ =
  12. 12.102³ =
  13. 13.97³ =
  14. 14.106³ =
  15. 15.93³ =
  16. 16.107³ =
  17. 17.105³ =
  18. 18.985³ =
  19. 19.982³ =
  20. 20.94³ =
  21. 21.109³ =
  22. 22.93³ =
  23. 23.97³ =
  24. 24.94³ =
  25. 25.988³ =
  26. 26.1009³ =
  27. 27.98³ =
  28. 28.1016³ =
  29. 29.98³ =
  30. 30.104³ =
  31. 31.106³ =
  32. 32.995³ =
  33. 33.108³ =
  34. 34.104³ =
  35. 35.104³ =
  36. 36.103³ =
  37. 37.104³ =
  38. 38.992³ =
  39. 39.97³ =
  40. 40.981³ =

Answer key

  1. 979146657
  2. 982107784
  3. 1015075125
  4. 1295029
  5. 778688
  6. 1191016
  7. 949862087
  8. 1045678375
  9. 1015075125
  10. 804357
  11. 804357
  12. 1061208
  13. 912673
  14. 1191016
  15. 804357
  16. 1225043
  17. 1157625
  18. 955671625
  19. 946966168
  20. 830584
  21. 1295029
  22. 804357
  23. 912673
  24. 830584
  25. 964430272
  26. 1027243729
  27. 941192
  28. 1048772096
  29. 941192
  30. 1124864
  31. 1191016
  32. 985074875
  33. 1259712
  34. 1124864
  35. 1124864
  36. 1092727
  37. 1124864
  38. 976191488
  39. 912673
  40. 944076141

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