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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 910 · 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. 1.984³ =
  2. 2.1020³ =
  3. 3.103³ =
  4. 4.91³ =
  5. 5.1008³ =
  6. 6.101³ =
  7. 7.996³ =
  8. 8.96³ =
  9. 9.107³ =
  10. 10.95³ =
  11. 11.96³ =
  12. 12.1010³ =
  13. 13.94³ =
  14. 14.99³ =
  15. 15.1009³ =
  16. 16.1008³ =
  17. 17.988³ =
  18. 18.999³ =
  19. 19.109³ =
  20. 20.105³ =
  21. 21.982³ =
  22. 22.1010³ =
  23. 23.91³ =
  24. 24.998³ =
  25. 25.102³ =
  26. 26.1012³ =
  27. 27.1002³ =
  28. 28.104³ =
  29. 29.993³ =
  30. 30.98³ =
  31. 31.990³ =
  32. 32.980³ =
  33. 33.96³ =
  34. 34.984³ =
  35. 35.1011³ =
  36. 36.103³ =
  37. 37.96³ =
  38. 38.98³ =
  39. 39.106³ =
  40. 40.987³ =

Answer key

  1. 952763904
  2. 1061208000
  3. 1092727
  4. 753571
  5. 1024192512
  6. 1030301
  7. 988047936
  8. 884736
  9. 1225043
  10. 857375
  11. 884736
  12. 1030301000
  13. 830584
  14. 970299
  15. 1027243729
  16. 1024192512
  17. 964430272
  18. 997002999
  19. 1295029
  20. 1157625
  21. 946966168
  22. 1030301000
  23. 753571
  24. 994011992
  25. 1061208
  26. 1036433728
  27. 1006012008
  28. 1124864
  29. 979146657
  30. 941192
  31. 970299000
  32. 941192000
  33. 884736
  34. 952763904
  35. 1033364331
  36. 1092727
  37. 884736
  38. 941192
  39. 1191016
  40. 961504803

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