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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 881 · 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. 1.1019³ =
  2. 2.101³ =
  3. 3.96³ =
  4. 4.997³ =
  5. 5.102³ =
  6. 6.94³ =
  7. 7.95³ =
  8. 8.991³ =
  9. 9.95³ =
  10. 10.105³ =
  11. 11.1010³ =
  12. 12.96³ =
  13. 13.102³ =
  14. 14.1020³ =
  15. 15.987³ =
  16. 16.1008³ =
  17. 17.98³ =
  18. 18.91³ =
  19. 19.99³ =
  20. 20.988³ =
  21. 21.108³ =
  22. 22.1004³ =
  23. 23.95³ =
  24. 24.989³ =
  25. 25.98³ =
  26. 26.1017³ =
  27. 27.984³ =
  28. 28.102³ =
  29. 29.991³ =
  30. 30.982³ =
  31. 31.1002³ =
  32. 32.95³ =
  33. 33.1003³ =
  34. 34.993³ =
  35. 35.109³ =
  36. 36.97³ =
  37. 37.1016³ =
  38. 38.96³ =
  39. 39.99³ =
  40. 40.97³ =

Answer key

  1. 1058089859
  2. 1030301
  3. 884736
  4. 991026973
  5. 1061208
  6. 830584
  7. 857375
  8. 973242271
  9. 857375
  10. 1157625
  11. 1030301000
  12. 884736
  13. 1061208
  14. 1061208000
  15. 961504803
  16. 1024192512
  17. 941192
  18. 753571
  19. 970299
  20. 964430272
  21. 1259712
  22. 1012048064
  23. 857375
  24. 967361669
  25. 941192
  26. 1051871913
  27. 952763904
  28. 1061208
  29. 973242271
  30. 946966168
  31. 1006012008
  32. 857375
  33. 1009027027
  34. 979146657
  35. 1295029
  36. 912673
  37. 1048772096
  38. 884736
  39. 970299
  40. 912673

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