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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 979 · 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. 1.96³ =
  2. 2.92³ =
  3. 3.103³ =
  4. 4.1019³ =
  5. 5.106³ =
  6. 6.102³ =
  7. 7.1009³ =
  8. 8.109³ =
  9. 9.99³ =
  10. 10.997³ =
  11. 11.1003³ =
  12. 12.1017³ =
  13. 13.101³ =
  14. 14.94³ =
  15. 15.91³ =
  16. 16.97³ =
  17. 17.99³ =
  18. 18.992³ =
  19. 19.96³ =
  20. 20.108³ =
  21. 21.986³ =
  22. 22.103³ =
  23. 23.1004³ =
  24. 24.105³ =
  25. 25.96³ =
  26. 26.109³ =
  27. 27.107³ =
  28. 28.93³ =
  29. 29.982³ =
  30. 30.981³ =
  31. 31.109³ =
  32. 32.989³ =
  33. 33.1007³ =
  34. 34.105³ =
  35. 35.1009³ =
  36. 36.105³ =
  37. 37.102³ =
  38. 38.103³ =
  39. 39.99³ =
  40. 40.93³ =

Answer key

  1. 884736
  2. 778688
  3. 1092727
  4. 1058089859
  5. 1191016
  6. 1061208
  7. 1027243729
  8. 1295029
  9. 970299
  10. 991026973
  11. 1009027027
  12. 1051871913
  13. 1030301
  14. 830584
  15. 753571
  16. 912673
  17. 970299
  18. 976191488
  19. 884736
  20. 1259712
  21. 958585256
  22. 1092727
  23. 1012048064
  24. 1157625
  25. 884736
  26. 1295029
  27. 1225043
  28. 804357
  29. 946966168
  30. 944076141
  31. 1295029
  32. 967361669
  33. 1021147343
  34. 1157625
  35. 1027243729
  36. 1157625
  37. 1061208
  38. 1092727
  39. 970299
  40. 804357

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