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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 577 · 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. 2.105³ =
  3. 3.1013³ =
  4. 4.985³ =
  5. 5.103³ =
  6. 6.102³ =
  7. 7.103³ =
  8. 8.106³ =
  9. 9.1017³ =
  10. 10.99³ =
  11. 11.108³ =
  12. 12.105³ =
  13. 13.106³ =
  14. 14.97³ =
  15. 15.97³ =
  16. 16.97³ =
  17. 17.1007³ =
  18. 18.108³ =
  19. 19.105³ =
  20. 20.1016³ =
  21. 21.107³ =
  22. 22.92³ =
  23. 23.94³ =
  24. 24.98³ =
  25. 25.98³ =
  26. 26.1020³ =
  27. 27.988³ =
  28. 28.97³ =
  29. 29.93³ =
  30. 30.95³ =
  31. 31.95³ =
  32. 32.109³ =
  33. 33.984³ =
  34. 34.91³ =
  35. 35.984³ =
  36. 36.996³ =
  37. 37.101³ =
  38. 38.98³ =
  39. 39.1001³ =
  40. 40.1006³ =

Answer key

  1. 958585256
  2. 1157625
  3. 1039509197
  4. 955671625
  5. 1092727
  6. 1061208
  7. 1092727
  8. 1191016
  9. 1051871913
  10. 970299
  11. 1259712
  12. 1157625
  13. 1191016
  14. 912673
  15. 912673
  16. 912673
  17. 1021147343
  18. 1259712
  19. 1157625
  20. 1048772096
  21. 1225043
  22. 778688
  23. 830584
  24. 941192
  25. 941192
  26. 1061208000
  27. 964430272
  28. 912673
  29. 804357
  30. 857375
  31. 857375
  32. 1295029
  33. 952763904
  34. 753571
  35. 952763904
  36. 988047936
  37. 1030301
  38. 941192
  39. 1003003001
  40. 1018108216

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