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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 31 · 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. 1.97³ =
  2. 2.92³ =
  3. 3.999³ =
  4. 4.103³ =
  5. 5.998³ =
  6. 6.97³ =
  7. 7.101³ =
  8. 8.109³ =
  9. 9.103³ =
  10. 10.995³ =
  11. 11.1010³ =
  12. 12.1016³ =
  13. 13.1010³ =
  14. 14.96³ =
  15. 15.1017³ =
  16. 16.102³ =
  17. 17.99³ =
  18. 18.992³ =
  19. 19.98³ =
  20. 20.988³ =
  21. 21.107³ =
  22. 22.101³ =
  23. 23.93³ =
  24. 24.98³ =
  25. 25.1005³ =
  26. 26.92³ =
  27. 27.986³ =
  28. 28.980³ =
  29. 29.1015³ =
  30. 30.997³ =
  31. 31.92³ =
  32. 32.1008³ =
  33. 33.1020³ =
  34. 34.109³ =
  35. 35.99³ =
  36. 36.1019³ =
  37. 37.105³ =
  38. 38.108³ =
  39. 39.103³ =
  40. 40.994³ =

Answer key

  1. 912673
  2. 778688
  3. 997002999
  4. 1092727
  5. 994011992
  6. 912673
  7. 1030301
  8. 1295029
  9. 1092727
  10. 985074875
  11. 1030301000
  12. 1048772096
  13. 1030301000
  14. 884736
  15. 1051871913
  16. 1061208
  17. 970299
  18. 976191488
  19. 941192
  20. 964430272
  21. 1225043
  22. 1030301
  23. 804357
  24. 941192
  25. 1015075125
  26. 778688
  27. 958585256
  28. 941192000
  29. 1045678375
  30. 991026973
  31. 778688
  32. 1024192512
  33. 1061208000
  34. 1295029
  35. 970299
  36. 1058089859
  37. 1157625
  38. 1259712
  39. 1092727
  40. 982107784

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