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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 446 · 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. 2.991³ =
  3. 3.104³ =
  4. 4.985³ =
  5. 5.994³ =
  6. 6.104³ =
  7. 7.102³ =
  8. 8.995³ =
  9. 9.984³ =
  10. 10.105³ =
  11. 11.998³ =
  12. 12.982³ =
  13. 13.1004³ =
  14. 14.986³ =
  15. 15.986³ =
  16. 16.98³ =
  17. 17.1015³ =
  18. 18.1019³ =
  19. 19.106³ =
  20. 20.99³ =
  21. 21.109³ =
  22. 22.93³ =
  23. 23.91³ =
  24. 24.102³ =
  25. 25.102³ =
  26. 26.986³ =
  27. 27.95³ =
  28. 28.107³ =
  29. 29.101³ =
  30. 30.999³ =
  31. 31.984³ =
  32. 32.96³ =
  33. 33.103³ =
  34. 34.990³ =
  35. 35.97³ =
  36. 36.95³ =
  37. 37.104³ =
  38. 38.99³ =
  39. 39.1006³ =
  40. 40.1004³ =

Answer key

  1. 958585256
  2. 973242271
  3. 1124864
  4. 955671625
  5. 982107784
  6. 1124864
  7. 1061208
  8. 985074875
  9. 952763904
  10. 1157625
  11. 994011992
  12. 946966168
  13. 1012048064
  14. 958585256
  15. 958585256
  16. 941192
  17. 1045678375
  18. 1058089859
  19. 1191016
  20. 970299
  21. 1295029
  22. 804357
  23. 753571
  24. 1061208
  25. 1061208
  26. 958585256
  27. 857375
  28. 1225043
  29. 1030301
  30. 997002999
  31. 952763904
  32. 884736
  33. 1092727
  34. 970299000
  35. 912673
  36. 857375
  37. 1124864
  38. 970299
  39. 1018108216
  40. 1012048064

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