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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 102 · 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. 1.1016³ =
  2. 2.980³ =
  3. 3.987³ =
  4. 4.104³ =
  5. 5.1002³ =
  6. 6.985³ =
  7. 7.1016³ =
  8. 8.990³ =
  9. 9.107³ =
  10. 10.106³ =
  11. 11.993³ =
  12. 12.996³ =
  13. 13.994³ =
  14. 14.102³ =
  15. 15.96³ =
  16. 16.96³ =
  17. 17.101³ =
  18. 18.987³ =
  19. 19.1019³ =
  20. 20.97³ =
  21. 21.95³ =
  22. 22.99³ =
  23. 23.1019³ =
  24. 24.101³ =
  25. 25.92³ =
  26. 26.1002³ =
  27. 27.1004³ =
  28. 28.94³ =
  29. 29.1017³ =
  30. 30.101³ =
  31. 31.1009³ =
  32. 32.93³ =
  33. 33.94³ =
  34. 34.108³ =
  35. 35.1005³ =
  36. 36.992³ =
  37. 37.98³ =
  38. 38.996³ =
  39. 39.1018³ =
  40. 40.997³ =

Answer key

  1. 1048772096
  2. 941192000
  3. 961504803
  4. 1124864
  5. 1006012008
  6. 955671625
  7. 1048772096
  8. 970299000
  9. 1225043
  10. 1191016
  11. 979146657
  12. 988047936
  13. 982107784
  14. 1061208
  15. 884736
  16. 884736
  17. 1030301
  18. 961504803
  19. 1058089859
  20. 912673
  21. 857375
  22. 970299
  23. 1058089859
  24. 1030301
  25. 778688
  26. 1006012008
  27. 1012048064
  28. 830584
  29. 1051871913
  30. 1030301
  31. 1027243729
  32. 804357
  33. 830584
  34. 1259712
  35. 1015075125
  36. 976191488
  37. 941192
  38. 988047936
  39. 1054977832
  40. 991026973

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