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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 794 · 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. 1.986³ =
  2. 2.1012³ =
  3. 3.97³ =
  4. 4.1010³ =
  5. 5.105³ =
  6. 6.996³ =
  7. 7.1019³ =
  8. 8.103³ =
  9. 9.999³ =
  10. 10.98³ =
  11. 11.1016³ =
  12. 12.101³ =
  13. 13.985³ =
  14. 14.95³ =
  15. 15.103³ =
  16. 16.94³ =
  17. 17.983³ =
  18. 18.1001³ =
  19. 19.95³ =
  20. 20.104³ =
  21. 21.105³ =
  22. 22.101³ =
  23. 23.984³ =
  24. 24.101³ =
  25. 25.101³ =
  26. 26.92³ =
  27. 27.96³ =
  28. 28.994³ =
  29. 29.104³ =
  30. 30.98³ =
  31. 31.102³ =
  32. 32.980³ =
  33. 33.108³ =
  34. 34.99³ =
  35. 35.99³ =
  36. 36.106³ =
  37. 37.1016³ =
  38. 38.107³ =
  39. 39.104³ =
  40. 40.1016³ =

Answer key

  1. 958585256
  2. 1036433728
  3. 912673
  4. 1030301000
  5. 1157625
  6. 988047936
  7. 1058089859
  8. 1092727
  9. 997002999
  10. 941192
  11. 1048772096
  12. 1030301
  13. 955671625
  14. 857375
  15. 1092727
  16. 830584
  17. 949862087
  18. 1003003001
  19. 857375
  20. 1124864
  21. 1157625
  22. 1030301
  23. 952763904
  24. 1030301
  25. 1030301
  26. 778688
  27. 884736
  28. 982107784
  29. 1124864
  30. 941192
  31. 1061208
  32. 941192000
  33. 1259712
  34. 970299
  35. 970299
  36. 1191016
  37. 1048772096
  38. 1225043
  39. 1124864
  40. 1048772096

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