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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 113 · 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. 1.95³ =
  2. 2.1015³ =
  3. 3.988³ =
  4. 4.105³ =
  5. 5.95³ =
  6. 6.1002³ =
  7. 7.91³ =
  8. 8.92³ =
  9. 9.1015³ =
  10. 10.97³ =
  11. 11.92³ =
  12. 12.997³ =
  13. 13.105³ =
  14. 14.105³ =
  15. 15.1006³ =
  16. 16.1020³ =
  17. 17.103³ =
  18. 18.1001³ =
  19. 19.988³ =
  20. 20.1020³ =
  21. 21.101³ =
  22. 22.983³ =
  23. 23.101³ =
  24. 24.109³ =
  25. 25.1003³ =
  26. 26.106³ =
  27. 27.1010³ =
  28. 28.97³ =
  29. 29.995³ =
  30. 30.985³ =
  31. 31.101³ =
  32. 32.99³ =
  33. 33.1020³ =
  34. 34.95³ =
  35. 35.94³ =
  36. 36.994³ =
  37. 37.102³ =
  38. 38.92³ =
  39. 39.1012³ =
  40. 40.102³ =

Answer key

  1. 857375
  2. 1045678375
  3. 964430272
  4. 1157625
  5. 857375
  6. 1006012008
  7. 753571
  8. 778688
  9. 1045678375
  10. 912673
  11. 778688
  12. 991026973
  13. 1157625
  14. 1157625
  15. 1018108216
  16. 1061208000
  17. 1092727
  18. 1003003001
  19. 964430272
  20. 1061208000
  21. 1030301
  22. 949862087
  23. 1030301
  24. 1295029
  25. 1009027027
  26. 1191016
  27. 1030301000
  28. 912673
  29. 985074875
  30. 955671625
  31. 1030301
  32. 970299
  33. 1061208000
  34. 857375
  35. 830584
  36. 982107784
  37. 1061208
  38. 778688
  39. 1036433728
  40. 1061208

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