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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 374 · 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. 1.102³ =
  2. 2.99³ =
  3. 3.1004³ =
  4. 4.98³ =
  5. 5.96³ =
  6. 6.1001³ =
  7. 7.101³ =
  8. 8.994³ =
  9. 9.106³ =
  10. 10.98³ =
  11. 11.99³ =
  12. 12.98³ =
  13. 13.103³ =
  14. 14.93³ =
  15. 15.997³ =
  16. 16.106³ =
  17. 17.992³ =
  18. 18.103³ =
  19. 19.1006³ =
  20. 20.1016³ =
  21. 21.99³ =
  22. 22.1003³ =
  23. 23.1002³ =
  24. 24.107³ =
  25. 25.91³ =
  26. 26.107³ =
  27. 27.97³ =
  28. 28.98³ =
  29. 29.1004³ =
  30. 30.1018³ =
  31. 31.91³ =
  32. 32.94³ =
  33. 33.1016³ =
  34. 34.94³ =
  35. 35.93³ =
  36. 36.95³ =
  37. 37.92³ =
  38. 38.94³ =
  39. 39.1005³ =
  40. 40.1003³ =

Answer key

  1. 1061208
  2. 970299
  3. 1012048064
  4. 941192
  5. 884736
  6. 1003003001
  7. 1030301
  8. 982107784
  9. 1191016
  10. 941192
  11. 970299
  12. 941192
  13. 1092727
  14. 804357
  15. 991026973
  16. 1191016
  17. 976191488
  18. 1092727
  19. 1018108216
  20. 1048772096
  21. 970299
  22. 1009027027
  23. 1006012008
  24. 1225043
  25. 753571
  26. 1225043
  27. 912673
  28. 941192
  29. 1012048064
  30. 1054977832
  31. 753571
  32. 830584
  33. 1048772096
  34. 830584
  35. 804357
  36. 857375
  37. 778688
  38. 830584
  39. 1015075125
  40. 1009027027

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