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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 593 · 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. 1.107³ =
  2. 2.93³ =
  3. 3.1019³ =
  4. 4.106³ =
  5. 5.91³ =
  6. 6.983³ =
  7. 7.980³ =
  8. 8.981³ =
  9. 9.96³ =
  10. 10.989³ =
  11. 11.983³ =
  12. 12.999³ =
  13. 13.93³ =
  14. 14.104³ =
  15. 15.96³ =
  16. 16.1012³ =
  17. 17.99³ =
  18. 18.1013³ =
  19. 19.994³ =
  20. 20.99³ =
  21. 21.994³ =
  22. 22.99³ =
  23. 23.93³ =
  24. 24.990³ =
  25. 25.108³ =
  26. 26.1016³ =
  27. 27.983³ =
  28. 28.1005³ =
  29. 29.101³ =
  30. 30.94³ =
  31. 31.1019³ =
  32. 32.109³ =
  33. 33.105³ =
  34. 34.987³ =
  35. 35.96³ =
  36. 36.994³ =
  37. 37.104³ =
  38. 38.982³ =
  39. 39.992³ =
  40. 40.1004³ =

Answer key

  1. 1225043
  2. 804357
  3. 1058089859
  4. 1191016
  5. 753571
  6. 949862087
  7. 941192000
  8. 944076141
  9. 884736
  10. 967361669
  11. 949862087
  12. 997002999
  13. 804357
  14. 1124864
  15. 884736
  16. 1036433728
  17. 970299
  18. 1039509197
  19. 982107784
  20. 970299
  21. 982107784
  22. 970299
  23. 804357
  24. 970299000
  25. 1259712
  26. 1048772096
  27. 949862087
  28. 1015075125
  29. 1030301
  30. 830584
  31. 1058089859
  32. 1295029
  33. 1157625
  34. 961504803
  35. 884736
  36. 982107784
  37. 1124864
  38. 946966168
  39. 976191488
  40. 1012048064

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