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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 247 · 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. 1.1004³ =
  2. 2.108³ =
  3. 3.996³ =
  4. 4.109³ =
  5. 5.93³ =
  6. 6.999³ =
  7. 7.980³ =
  8. 8.995³ =
  9. 9.96³ =
  10. 10.96³ =
  11. 11.107³ =
  12. 12.92³ =
  13. 13.996³ =
  14. 14.1001³ =
  15. 15.92³ =
  16. 16.108³ =
  17. 17.97³ =
  18. 18.988³ =
  19. 19.107³ =
  20. 20.91³ =
  21. 21.1019³ =
  22. 22.994³ =
  23. 23.996³ =
  24. 24.108³ =
  25. 25.1001³ =
  26. 26.1001³ =
  27. 27.997³ =
  28. 28.105³ =
  29. 29.106³ =
  30. 30.1012³ =
  31. 31.103³ =
  32. 32.96³ =
  33. 33.94³ =
  34. 34.984³ =
  35. 35.991³ =
  36. 36.988³ =
  37. 37.1018³ =
  38. 38.1013³ =
  39. 39.103³ =
  40. 40.102³ =

Answer key

  1. 1012048064
  2. 1259712
  3. 988047936
  4. 1295029
  5. 804357
  6. 997002999
  7. 941192000
  8. 985074875
  9. 884736
  10. 884736
  11. 1225043
  12. 778688
  13. 988047936
  14. 1003003001
  15. 778688
  16. 1259712
  17. 912673
  18. 964430272
  19. 1225043
  20. 753571
  21. 1058089859
  22. 982107784
  23. 988047936
  24. 1259712
  25. 1003003001
  26. 1003003001
  27. 991026973
  28. 1157625
  29. 1191016
  30. 1036433728
  31. 1092727
  32. 884736
  33. 830584
  34. 952763904
  35. 973242271
  36. 964430272
  37. 1054977832
  38. 1039509197
  39. 1092727
  40. 1061208

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