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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 671 · 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. 1.99³ =
  2. 2.1011³ =
  3. 3.109³ =
  4. 4.1017³ =
  5. 5.109³ =
  6. 6.1013³ =
  7. 7.1004³ =
  8. 8.94³ =
  9. 9.101³ =
  10. 10.105³ =
  11. 11.101³ =
  12. 12.999³ =
  13. 13.1005³ =
  14. 14.103³ =
  15. 15.985³ =
  16. 16.94³ =
  17. 17.998³ =
  18. 18.1001³ =
  19. 19.998³ =
  20. 20.994³ =
  21. 21.981³ =
  22. 22.989³ =
  23. 23.993³ =
  24. 24.91³ =
  25. 25.91³ =
  26. 26.105³ =
  27. 27.109³ =
  28. 28.1003³ =
  29. 29.91³ =
  30. 30.994³ =
  31. 31.107³ =
  32. 32.92³ =
  33. 33.1002³ =
  34. 34.104³ =
  35. 35.97³ =
  36. 36.93³ =
  37. 37.991³ =
  38. 38.103³ =
  39. 39.97³ =
  40. 40.107³ =

Answer key

  1. 970299
  2. 1033364331
  3. 1295029
  4. 1051871913
  5. 1295029
  6. 1039509197
  7. 1012048064
  8. 830584
  9. 1030301
  10. 1157625
  11. 1030301
  12. 997002999
  13. 1015075125
  14. 1092727
  15. 955671625
  16. 830584
  17. 994011992
  18. 1003003001
  19. 994011992
  20. 982107784
  21. 944076141
  22. 967361669
  23. 979146657
  24. 753571
  25. 753571
  26. 1157625
  27. 1295029
  28. 1009027027
  29. 753571
  30. 982107784
  31. 1225043
  32. 778688
  33. 1006012008
  34. 1124864
  35. 912673
  36. 804357
  37. 973242271
  38. 1092727
  39. 912673
  40. 1225043

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