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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 319 · 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. 1.107³ =
  2. 2.1003³ =
  3. 3.92³ =
  4. 4.1012³ =
  5. 5.1008³ =
  6. 6.99³ =
  7. 7.101³ =
  8. 8.99³ =
  9. 9.989³ =
  10. 10.105³ =
  11. 11.1018³ =
  12. 12.99³ =
  13. 13.1014³ =
  14. 14.101³ =
  15. 15.980³ =
  16. 16.101³ =
  17. 17.993³ =
  18. 18.1011³ =
  19. 19.93³ =
  20. 20.995³ =
  21. 21.92³ =
  22. 22.96³ =
  23. 23.982³ =
  24. 24.93³ =
  25. 25.994³ =
  26. 26.995³ =
  27. 27.96³ =
  28. 28.102³ =
  29. 29.99³ =
  30. 30.91³ =
  31. 31.99³ =
  32. 32.93³ =
  33. 33.985³ =
  34. 34.1002³ =
  35. 35.1007³ =
  36. 36.94³ =
  37. 37.95³ =
  38. 38.981³ =
  39. 39.106³ =
  40. 40.992³ =

Answer key

  1. 1225043
  2. 1009027027
  3. 778688
  4. 1036433728
  5. 1024192512
  6. 970299
  7. 1030301
  8. 970299
  9. 967361669
  10. 1157625
  11. 1054977832
  12. 970299
  13. 1042590744
  14. 1030301
  15. 941192000
  16. 1030301
  17. 979146657
  18. 1033364331
  19. 804357
  20. 985074875
  21. 778688
  22. 884736
  23. 946966168
  24. 804357
  25. 982107784
  26. 985074875
  27. 884736
  28. 1061208
  29. 970299
  30. 753571
  31. 970299
  32. 804357
  33. 955671625
  34. 1006012008
  35. 1021147343
  36. 830584
  37. 857375
  38. 944076141
  39. 1191016
  40. 976191488

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