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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 318 · 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. 1.93³ =
  2. 2.985³ =
  3. 3.106³ =
  4. 4.101³ =
  5. 5.103³ =
  6. 6.92³ =
  7. 7.1008³ =
  8. 8.98³ =
  9. 9.1009³ =
  10. 10.996³ =
  11. 11.98³ =
  12. 12.101³ =
  13. 13.1010³ =
  14. 14.989³ =
  15. 15.105³ =
  16. 16.97³ =
  17. 17.103³ =
  18. 18.1018³ =
  19. 19.97³ =
  20. 20.95³ =
  21. 21.992³ =
  22. 22.92³ =
  23. 23.96³ =
  24. 24.98³ =
  25. 25.104³ =
  26. 26.989³ =
  27. 27.106³ =
  28. 28.93³ =
  29. 29.106³ =
  30. 30.109³ =
  31. 31.96³ =
  32. 32.91³ =
  33. 33.1013³ =
  34. 34.105³ =
  35. 35.986³ =
  36. 36.97³ =
  37. 37.106³ =
  38. 38.98³ =
  39. 39.98³ =
  40. 40.102³ =

Answer key

  1. 804357
  2. 955671625
  3. 1191016
  4. 1030301
  5. 1092727
  6. 778688
  7. 1024192512
  8. 941192
  9. 1027243729
  10. 988047936
  11. 941192
  12. 1030301
  13. 1030301000
  14. 967361669
  15. 1157625
  16. 912673
  17. 1092727
  18. 1054977832
  19. 912673
  20. 857375
  21. 976191488
  22. 778688
  23. 884736
  24. 941192
  25. 1124864
  26. 967361669
  27. 1191016
  28. 804357
  29. 1191016
  30. 1295029
  31. 884736
  32. 753571
  33. 1039509197
  34. 1157625
  35. 958585256
  36. 912673
  37. 1191016
  38. 941192
  39. 941192
  40. 1061208

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