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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 607 · 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. 1.108³ =
  2. 2.1004³ =
  3. 3.93³ =
  4. 4.109³ =
  5. 5.991³ =
  6. 6.99³ =
  7. 7.93³ =
  8. 8.103³ =
  9. 9.106³ =
  10. 10.101³ =
  11. 11.988³ =
  12. 12.1011³ =
  13. 13.990³ =
  14. 14.99³ =
  15. 15.92³ =
  16. 16.1017³ =
  17. 17.983³ =
  18. 18.93³ =
  19. 19.994³ =
  20. 20.92³ =
  21. 21.94³ =
  22. 22.998³ =
  23. 23.998³ =
  24. 24.1017³ =
  25. 25.101³ =
  26. 26.1005³ =
  27. 27.106³ =
  28. 28.91³ =
  29. 29.980³ =
  30. 30.102³ =
  31. 31.109³ =
  32. 32.1020³ =
  33. 33.105³ =
  34. 34.980³ =
  35. 35.103³ =
  36. 36.109³ =
  37. 37.101³ =
  38. 38.96³ =
  39. 39.1018³ =
  40. 40.987³ =

Answer key

  1. 1259712
  2. 1012048064
  3. 804357
  4. 1295029
  5. 973242271
  6. 970299
  7. 804357
  8. 1092727
  9. 1191016
  10. 1030301
  11. 964430272
  12. 1033364331
  13. 970299000
  14. 970299
  15. 778688
  16. 1051871913
  17. 949862087
  18. 804357
  19. 982107784
  20. 778688
  21. 830584
  22. 994011992
  23. 994011992
  24. 1051871913
  25. 1030301
  26. 1015075125
  27. 1191016
  28. 753571
  29. 941192000
  30. 1061208
  31. 1295029
  32. 1061208000
  33. 1157625
  34. 941192000
  35. 1092727
  36. 1295029
  37. 1030301
  38. 884736
  39. 1054977832
  40. 961504803

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