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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 185 · 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. 1.1017³ =
  2. 2.995³ =
  3. 3.986³ =
  4. 4.1001³ =
  5. 5.103³ =
  6. 6.995³ =
  7. 7.103³ =
  8. 8.99³ =
  9. 9.999³ =
  10. 10.989³ =
  11. 11.108³ =
  12. 12.96³ =
  13. 13.985³ =
  14. 14.987³ =
  15. 15.992³ =
  16. 16.91³ =
  17. 17.1007³ =
  18. 18.989³ =
  19. 19.989³ =
  20. 20.980³ =
  21. 21.104³ =
  22. 22.993³ =
  23. 23.994³ =
  24. 24.98³ =
  25. 25.981³ =
  26. 26.106³ =
  27. 27.97³ =
  28. 28.98³ =
  29. 29.98³ =
  30. 30.107³ =
  31. 31.982³ =
  32. 32.1004³ =
  33. 33.105³ =
  34. 34.984³ =
  35. 35.93³ =
  36. 36.998³ =
  37. 37.997³ =
  38. 38.105³ =
  39. 39.107³ =
  40. 40.107³ =

Answer key

  1. 1051871913
  2. 985074875
  3. 958585256
  4. 1003003001
  5. 1092727
  6. 985074875
  7. 1092727
  8. 970299
  9. 997002999
  10. 967361669
  11. 1259712
  12. 884736
  13. 955671625
  14. 961504803
  15. 976191488
  16. 753571
  17. 1021147343
  18. 967361669
  19. 967361669
  20. 941192000
  21. 1124864
  22. 979146657
  23. 982107784
  24. 941192
  25. 944076141
  26. 1191016
  27. 912673
  28. 941192
  29. 941192
  30. 1225043
  31. 946966168
  32. 1012048064
  33. 1157625
  34. 952763904
  35. 804357
  36. 994011992
  37. 991026973
  38. 1157625
  39. 1225043
  40. 1225043

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