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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 426 · 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. 2.1010³ =
  3. 3.998³ =
  4. 4.985³ =
  5. 5.101³ =
  6. 6.109³ =
  7. 7.105³ =
  8. 8.1014³ =
  9. 9.105³ =
  10. 10.97³ =
  11. 11.109³ =
  12. 12.96³ =
  13. 13.109³ =
  14. 14.97³ =
  15. 15.105³ =
  16. 16.99³ =
  17. 17.97³ =
  18. 18.994³ =
  19. 19.103³ =
  20. 20.93³ =
  21. 21.92³ =
  22. 22.98³ =
  23. 23.1020³ =
  24. 24.998³ =
  25. 25.92³ =
  26. 26.984³ =
  27. 27.995³ =
  28. 28.998³ =
  29. 29.981³ =
  30. 30.983³ =
  31. 31.106³ =
  32. 32.91³ =
  33. 33.95³ =
  34. 34.106³ =
  35. 35.98³ =
  36. 36.95³ =
  37. 37.1001³ =
  38. 38.1017³ =
  39. 39.91³ =
  40. 40.96³ =

Answer key

  1. 958585256
  2. 1030301000
  3. 994011992
  4. 955671625
  5. 1030301
  6. 1295029
  7. 1157625
  8. 1042590744
  9. 1157625
  10. 912673
  11. 1295029
  12. 884736
  13. 1295029
  14. 912673
  15. 1157625
  16. 970299
  17. 912673
  18. 982107784
  19. 1092727
  20. 804357
  21. 778688
  22. 941192
  23. 1061208000
  24. 994011992
  25. 778688
  26. 952763904
  27. 985074875
  28. 994011992
  29. 944076141
  30. 949862087
  31. 1191016
  32. 753571
  33. 857375
  34. 1191016
  35. 941192
  36. 857375
  37. 1003003001
  38. 1051871913
  39. 753571
  40. 884736

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