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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 477 · 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. 1.106³ =
  2. 2.1008³ =
  3. 3.980³ =
  4. 4.1004³ =
  5. 5.91³ =
  6. 6.93³ =
  7. 7.995³ =
  8. 8.995³ =
  9. 9.1008³ =
  10. 10.94³ =
  11. 11.1005³ =
  12. 12.97³ =
  13. 13.102³ =
  14. 14.990³ =
  15. 15.95³ =
  16. 16.108³ =
  17. 17.998³ =
  18. 18.103³ =
  19. 19.1002³ =
  20. 20.980³ =
  21. 21.96³ =
  22. 22.1012³ =
  23. 23.1004³ =
  24. 24.982³ =
  25. 25.95³ =
  26. 26.98³ =
  27. 27.980³ =
  28. 28.102³ =
  29. 29.1005³ =
  30. 30.988³ =
  31. 31.106³ =
  32. 32.103³ =
  33. 33.987³ =
  34. 34.994³ =
  35. 35.95³ =
  36. 36.1001³ =
  37. 37.91³ =
  38. 38.99³ =
  39. 39.103³ =
  40. 40.991³ =

Answer key

  1. 1191016
  2. 1024192512
  3. 941192000
  4. 1012048064
  5. 753571
  6. 804357
  7. 985074875
  8. 985074875
  9. 1024192512
  10. 830584
  11. 1015075125
  12. 912673
  13. 1061208
  14. 970299000
  15. 857375
  16. 1259712
  17. 994011992
  18. 1092727
  19. 1006012008
  20. 941192000
  21. 884736
  22. 1036433728
  23. 1012048064
  24. 946966168
  25. 857375
  26. 941192
  27. 941192000
  28. 1061208
  29. 1015075125
  30. 964430272
  31. 1191016
  32. 1092727
  33. 961504803
  34. 982107784
  35. 857375
  36. 1003003001
  37. 753571
  38. 970299
  39. 1092727
  40. 973242271

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