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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 704 · 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. 1.92³ =
  2. 2.104³ =
  3. 3.91³ =
  4. 4.98³ =
  5. 5.106³ =
  6. 6.995³ =
  7. 7.990³ =
  8. 8.98³ =
  9. 9.103³ =
  10. 10.104³ =
  11. 11.99³ =
  12. 12.1019³ =
  13. 13.1001³ =
  14. 14.986³ =
  15. 15.99³ =
  16. 16.106³ =
  17. 17.1006³ =
  18. 18.985³ =
  19. 19.1006³ =
  20. 20.108³ =
  21. 21.96³ =
  22. 22.95³ =
  23. 23.106³ =
  24. 24.94³ =
  25. 25.107³ =
  26. 26.96³ =
  27. 27.93³ =
  28. 28.1004³ =
  29. 29.94³ =
  30. 30.92³ =
  31. 31.96³ =
  32. 32.108³ =
  33. 33.92³ =
  34. 34.94³ =
  35. 35.102³ =
  36. 36.109³ =
  37. 37.997³ =
  38. 38.95³ =
  39. 39.99³ =
  40. 40.988³ =

Answer key

  1. 778688
  2. 1124864
  3. 753571
  4. 941192
  5. 1191016
  6. 985074875
  7. 970299000
  8. 941192
  9. 1092727
  10. 1124864
  11. 970299
  12. 1058089859
  13. 1003003001
  14. 958585256
  15. 970299
  16. 1191016
  17. 1018108216
  18. 955671625
  19. 1018108216
  20. 1259712
  21. 884736
  22. 857375
  23. 1191016
  24. 830584
  25. 1225043
  26. 884736
  27. 804357
  28. 1012048064
  29. 830584
  30. 778688
  31. 884736
  32. 1259712
  33. 778688
  34. 830584
  35. 1061208
  36. 1295029
  37. 991026973
  38. 857375
  39. 970299
  40. 964430272

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