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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 288 · 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. 1.1002³ =
  2. 2.97³ =
  3. 3.96³ =
  4. 4.93³ =
  5. 5.93³ =
  6. 6.93³ =
  7. 7.99³ =
  8. 8.98³ =
  9. 9.96³ =
  10. 10.109³ =
  11. 11.982³ =
  12. 12.101³ =
  13. 13.104³ =
  14. 14.96³ =
  15. 15.91³ =
  16. 16.101³ =
  17. 17.1015³ =
  18. 18.94³ =
  19. 19.107³ =
  20. 20.97³ =
  21. 21.998³ =
  22. 22.97³ =
  23. 23.94³ =
  24. 24.97³ =
  25. 25.1003³ =
  26. 26.985³ =
  27. 27.97³ =
  28. 28.99³ =
  29. 29.106³ =
  30. 30.97³ =
  31. 31.995³ =
  32. 32.107³ =
  33. 33.982³ =
  34. 34.1011³ =
  35. 35.92³ =
  36. 36.1017³ =
  37. 37.104³ =
  38. 38.92³ =
  39. 39.93³ =
  40. 40.96³ =

Answer key

  1. 1006012008
  2. 912673
  3. 884736
  4. 804357
  5. 804357
  6. 804357
  7. 970299
  8. 941192
  9. 884736
  10. 1295029
  11. 946966168
  12. 1030301
  13. 1124864
  14. 884736
  15. 753571
  16. 1030301
  17. 1045678375
  18. 830584
  19. 1225043
  20. 912673
  21. 994011992
  22. 912673
  23. 830584
  24. 912673
  25. 1009027027
  26. 955671625
  27. 912673
  28. 970299
  29. 1191016
  30. 912673
  31. 985074875
  32. 1225043
  33. 946966168
  34. 1033364331
  35. 778688
  36. 1051871913
  37. 1124864
  38. 778688
  39. 804357
  40. 884736

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