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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 603 · 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. 1.985³ =
  2. 2.1013³ =
  3. 3.981³ =
  4. 4.1002³ =
  5. 5.107³ =
  6. 6.985³ =
  7. 7.106³ =
  8. 8.103³ =
  9. 9.997³ =
  10. 10.96³ =
  11. 11.96³ =
  12. 12.98³ =
  13. 13.91³ =
  14. 14.108³ =
  15. 15.1001³ =
  16. 16.1002³ =
  17. 17.104³ =
  18. 18.99³ =
  19. 19.103³ =
  20. 20.101³ =
  21. 21.998³ =
  22. 22.99³ =
  23. 23.985³ =
  24. 24.990³ =
  25. 25.105³ =
  26. 26.91³ =
  27. 27.95³ =
  28. 28.1019³ =
  29. 29.109³ =
  30. 30.1004³ =
  31. 31.97³ =
  32. 32.102³ =
  33. 33.103³ =
  34. 34.996³ =
  35. 35.101³ =
  36. 36.109³ =
  37. 37.990³ =
  38. 38.94³ =
  39. 39.91³ =
  40. 40.97³ =

Answer key

  1. 955671625
  2. 1039509197
  3. 944076141
  4. 1006012008
  5. 1225043
  6. 955671625
  7. 1191016
  8. 1092727
  9. 991026973
  10. 884736
  11. 884736
  12. 941192
  13. 753571
  14. 1259712
  15. 1003003001
  16. 1006012008
  17. 1124864
  18. 970299
  19. 1092727
  20. 1030301
  21. 994011992
  22. 970299
  23. 955671625
  24. 970299000
  25. 1157625
  26. 753571
  27. 857375
  28. 1058089859
  29. 1295029
  30. 1012048064
  31. 912673
  32. 1061208
  33. 1092727
  34. 988047936
  35. 1030301
  36. 1295029
  37. 970299000
  38. 830584
  39. 753571
  40. 912673

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