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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 778 · 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. 1.1011³ =
  2. 2.91³ =
  3. 3.109³ =
  4. 4.108³ =
  5. 5.102³ =
  6. 6.92³ =
  7. 7.1012³ =
  8. 8.107³ =
  9. 9.999³ =
  10. 10.106³ =
  11. 11.986³ =
  12. 12.105³ =
  13. 13.1002³ =
  14. 14.103³ =
  15. 15.106³ =
  16. 16.97³ =
  17. 17.94³ =
  18. 18.1002³ =
  19. 19.98³ =
  20. 20.1010³ =
  21. 21.106³ =
  22. 22.107³ =
  23. 23.91³ =
  24. 24.1003³ =
  25. 25.108³ =
  26. 26.101³ =
  27. 27.1004³ =
  28. 28.1013³ =
  29. 29.1003³ =
  30. 30.1004³ =
  31. 31.96³ =
  32. 32.1005³ =
  33. 33.108³ =
  34. 34.95³ =
  35. 35.1005³ =
  36. 36.106³ =
  37. 37.1018³ =
  38. 38.1018³ =
  39. 39.106³ =
  40. 40.91³ =

Answer key

  1. 1033364331
  2. 753571
  3. 1295029
  4. 1259712
  5. 1061208
  6. 778688
  7. 1036433728
  8. 1225043
  9. 997002999
  10. 1191016
  11. 958585256
  12. 1157625
  13. 1006012008
  14. 1092727
  15. 1191016
  16. 912673
  17. 830584
  18. 1006012008
  19. 941192
  20. 1030301000
  21. 1191016
  22. 1225043
  23. 753571
  24. 1009027027
  25. 1259712
  26. 1030301
  27. 1012048064
  28. 1039509197
  29. 1009027027
  30. 1012048064
  31. 884736
  32. 1015075125
  33. 1259712
  34. 857375
  35. 1015075125
  36. 1191016
  37. 1054977832
  38. 1054977832
  39. 1191016
  40. 753571

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