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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 303 · 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. 1.1019³ =
  2. 2.105³ =
  3. 3.996³ =
  4. 4.97³ =
  5. 5.1012³ =
  6. 6.99³ =
  7. 7.109³ =
  8. 8.98³ =
  9. 9.104³ =
  10. 10.1014³ =
  11. 11.95³ =
  12. 12.987³ =
  13. 13.1003³ =
  14. 14.102³ =
  15. 15.96³ =
  16. 16.94³ =
  17. 17.97³ =
  18. 18.97³ =
  19. 19.985³ =
  20. 20.103³ =
  21. 21.1005³ =
  22. 22.105³ =
  23. 23.999³ =
  24. 24.102³ =
  25. 25.95³ =
  26. 26.1008³ =
  27. 27.94³ =
  28. 28.91³ =
  29. 29.992³ =
  30. 30.1002³ =
  31. 31.981³ =
  32. 32.99³ =
  33. 33.98³ =
  34. 34.1018³ =
  35. 35.99³ =
  36. 36.107³ =
  37. 37.1001³ =
  38. 38.995³ =
  39. 39.109³ =
  40. 40.1010³ =

Answer key

  1. 1058089859
  2. 1157625
  3. 988047936
  4. 912673
  5. 1036433728
  6. 970299
  7. 1295029
  8. 941192
  9. 1124864
  10. 1042590744
  11. 857375
  12. 961504803
  13. 1009027027
  14. 1061208
  15. 884736
  16. 830584
  17. 912673
  18. 912673
  19. 955671625
  20. 1092727
  21. 1015075125
  22. 1157625
  23. 997002999
  24. 1061208
  25. 857375
  26. 1024192512
  27. 830584
  28. 753571
  29. 976191488
  30. 1006012008
  31. 944076141
  32. 970299
  33. 941192
  34. 1054977832
  35. 970299
  36. 1225043
  37. 1003003001
  38. 985074875
  39. 1295029
  40. 1030301000

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