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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 922 · 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. 1.106³ =
  2. 2.91³ =
  3. 3.991³ =
  4. 4.93³ =
  5. 5.109³ =
  6. 6.103³ =
  7. 7.108³ =
  8. 8.94³ =
  9. 9.96³ =
  10. 10.990³ =
  11. 11.93³ =
  12. 12.1010³ =
  13. 13.1003³ =
  14. 14.101³ =
  15. 15.1004³ =
  16. 16.1001³ =
  17. 17.992³ =
  18. 18.987³ =
  19. 19.92³ =
  20. 20.91³ =
  21. 21.1013³ =
  22. 22.103³ =
  23. 23.998³ =
  24. 24.107³ =
  25. 25.98³ =
  26. 26.91³ =
  27. 27.95³ =
  28. 28.988³ =
  29. 29.109³ =
  30. 30.991³ =
  31. 31.97³ =
  32. 32.95³ =
  33. 33.1003³ =
  34. 34.99³ =
  35. 35.99³ =
  36. 36.1017³ =
  37. 37.98³ =
  38. 38.92³ =
  39. 39.94³ =
  40. 40.109³ =

Answer key

  1. 1191016
  2. 753571
  3. 973242271
  4. 804357
  5. 1295029
  6. 1092727
  7. 1259712
  8. 830584
  9. 884736
  10. 970299000
  11. 804357
  12. 1030301000
  13. 1009027027
  14. 1030301
  15. 1012048064
  16. 1003003001
  17. 976191488
  18. 961504803
  19. 778688
  20. 753571
  21. 1039509197
  22. 1092727
  23. 994011992
  24. 1225043
  25. 941192
  26. 753571
  27. 857375
  28. 964430272
  29. 1295029
  30. 973242271
  31. 912673
  32. 857375
  33. 1009027027
  34. 970299
  35. 970299
  36. 1051871913
  37. 941192
  38. 778688
  39. 830584
  40. 1295029

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