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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 219 · 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. 1.1001³ =
  2. 2.992³ =
  3. 3.1012³ =
  4. 4.108³ =
  5. 5.99³ =
  6. 6.93³ =
  7. 7.106³ =
  8. 8.992³ =
  9. 9.96³ =
  10. 10.1006³ =
  11. 11.990³ =
  12. 12.996³ =
  13. 13.1006³ =
  14. 14.1010³ =
  15. 15.106³ =
  16. 16.98³ =
  17. 17.104³ =
  18. 18.107³ =
  19. 19.1017³ =
  20. 20.996³ =
  21. 21.106³ =
  22. 22.995³ =
  23. 23.999³ =
  24. 24.91³ =
  25. 25.1008³ =
  26. 26.104³ =
  27. 27.96³ =
  28. 28.97³ =
  29. 29.94³ =
  30. 30.1003³ =
  31. 31.1020³ =
  32. 32.105³ =
  33. 33.1008³ =
  34. 34.1002³ =
  35. 35.1002³ =
  36. 36.1014³ =
  37. 37.1019³ =
  38. 38.97³ =
  39. 39.97³ =
  40. 40.97³ =

Answer key

  1. 1003003001
  2. 976191488
  3. 1036433728
  4. 1259712
  5. 970299
  6. 804357
  7. 1191016
  8. 976191488
  9. 884736
  10. 1018108216
  11. 970299000
  12. 988047936
  13. 1018108216
  14. 1030301000
  15. 1191016
  16. 941192
  17. 1124864
  18. 1225043
  19. 1051871913
  20. 988047936
  21. 1191016
  22. 985074875
  23. 997002999
  24. 753571
  25. 1024192512
  26. 1124864
  27. 884736
  28. 912673
  29. 830584
  30. 1009027027
  31. 1061208000
  32. 1157625
  33. 1024192512
  34. 1006012008
  35. 1006012008
  36. 1042590744
  37. 1058089859
  38. 912673
  39. 912673
  40. 912673

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