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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 453 · 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. 1.990³ =
  2. 2.109³ =
  3. 3.996³ =
  4. 4.1009³ =
  5. 5.93³ =
  6. 6.997³ =
  7. 7.107³ =
  8. 8.108³ =
  9. 9.109³ =
  10. 10.1004³ =
  11. 11.98³ =
  12. 12.108³ =
  13. 13.991³ =
  14. 14.97³ =
  15. 15.1007³ =
  16. 16.99³ =
  17. 17.109³ =
  18. 18.97³ =
  19. 19.108³ =
  20. 20.983³ =
  21. 21.993³ =
  22. 22.101³ =
  23. 23.101³ =
  24. 24.988³ =
  25. 25.1019³ =
  26. 26.985³ =
  27. 27.109³ =
  28. 28.109³ =
  29. 29.91³ =
  30. 30.96³ =
  31. 31.995³ =
  32. 32.105³ =
  33. 33.987³ =
  34. 34.1001³ =
  35. 35.1006³ =
  36. 36.992³ =
  37. 37.988³ =
  38. 38.981³ =
  39. 39.999³ =
  40. 40.96³ =

Answer key

  1. 970299000
  2. 1295029
  3. 988047936
  4. 1027243729
  5. 804357
  6. 991026973
  7. 1225043
  8. 1259712
  9. 1295029
  10. 1012048064
  11. 941192
  12. 1259712
  13. 973242271
  14. 912673
  15. 1021147343
  16. 970299
  17. 1295029
  18. 912673
  19. 1259712
  20. 949862087
  21. 979146657
  22. 1030301
  23. 1030301
  24. 964430272
  25. 1058089859
  26. 955671625
  27. 1295029
  28. 1295029
  29. 753571
  30. 884736
  31. 985074875
  32. 1157625
  33. 961504803
  34. 1003003001
  35. 1018108216
  36. 976191488
  37. 964430272
  38. 944076141
  39. 997002999
  40. 884736

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