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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 291 · 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. 1.1006³ =
  2. 2.1008³ =
  3. 3.980³ =
  4. 4.102³ =
  5. 5.999³ =
  6. 6.96³ =
  7. 7.97³ =
  8. 8.1013³ =
  9. 9.1005³ =
  10. 10.1004³ =
  11. 11.1015³ =
  12. 12.99³ =
  13. 13.1001³ =
  14. 14.103³ =
  15. 15.95³ =
  16. 16.997³ =
  17. 17.1003³ =
  18. 18.1012³ =
  19. 19.997³ =
  20. 20.984³ =
  21. 21.106³ =
  22. 22.993³ =
  23. 23.96³ =
  24. 24.98³ =
  25. 25.99³ =
  26. 26.92³ =
  27. 27.1010³ =
  28. 28.102³ =
  29. 29.94³ =
  30. 30.106³ =
  31. 31.101³ =
  32. 32.99³ =
  33. 33.1010³ =
  34. 34.1002³ =
  35. 35.106³ =
  36. 36.1012³ =
  37. 37.96³ =
  38. 38.91³ =
  39. 39.103³ =
  40. 40.108³ =

Answer key

  1. 1018108216
  2. 1024192512
  3. 941192000
  4. 1061208
  5. 997002999
  6. 884736
  7. 912673
  8. 1039509197
  9. 1015075125
  10. 1012048064
  11. 1045678375
  12. 970299
  13. 1003003001
  14. 1092727
  15. 857375
  16. 991026973
  17. 1009027027
  18. 1036433728
  19. 991026973
  20. 952763904
  21. 1191016
  22. 979146657
  23. 884736
  24. 941192
  25. 970299
  26. 778688
  27. 1030301000
  28. 1061208
  29. 830584
  30. 1191016
  31. 1030301
  32. 970299
  33. 1030301000
  34. 1006012008
  35. 1191016
  36. 1036433728
  37. 884736
  38. 753571
  39. 1092727
  40. 1259712

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