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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 835 · 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. 1.109³ =
  2. 2.999³ =
  3. 3.99³ =
  4. 4.103³ =
  5. 5.103³ =
  6. 6.988³ =
  7. 7.107³ =
  8. 8.103³ =
  9. 9.1011³ =
  10. 10.92³ =
  11. 11.1013³ =
  12. 12.1014³ =
  13. 13.982³ =
  14. 14.97³ =
  15. 15.993³ =
  16. 16.101³ =
  17. 17.985³ =
  18. 18.998³ =
  19. 19.995³ =
  20. 20.105³ =
  21. 21.109³ =
  22. 22.102³ =
  23. 23.96³ =
  24. 24.986³ =
  25. 25.99³ =
  26. 26.109³ =
  27. 27.95³ =
  28. 28.996³ =
  29. 29.987³ =
  30. 30.99³ =
  31. 31.104³ =
  32. 32.105³ =
  33. 33.107³ =
  34. 34.1005³ =
  35. 35.103³ =
  36. 36.985³ =
  37. 37.1002³ =
  38. 38.103³ =
  39. 39.92³ =
  40. 40.97³ =

Answer key

  1. 1295029
  2. 997002999
  3. 970299
  4. 1092727
  5. 1092727
  6. 964430272
  7. 1225043
  8. 1092727
  9. 1033364331
  10. 778688
  11. 1039509197
  12. 1042590744
  13. 946966168
  14. 912673
  15. 979146657
  16. 1030301
  17. 955671625
  18. 994011992
  19. 985074875
  20. 1157625
  21. 1295029
  22. 1061208
  23. 884736
  24. 958585256
  25. 970299
  26. 1295029
  27. 857375
  28. 988047936
  29. 961504803
  30. 970299
  31. 1124864
  32. 1157625
  33. 1225043
  34. 1015075125
  35. 1092727
  36. 955671625
  37. 1006012008
  38. 1092727
  39. 778688
  40. 912673

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