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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 274 · 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. 1.1001³ =
  2. 2.104³ =
  3. 3.104³ =
  4. 4.102³ =
  5. 5.1010³ =
  6. 6.984³ =
  7. 7.99³ =
  8. 8.989³ =
  9. 9.105³ =
  10. 10.102³ =
  11. 11.1013³ =
  12. 12.1004³ =
  13. 13.103³ =
  14. 14.109³ =
  15. 15.105³ =
  16. 16.993³ =
  17. 17.1008³ =
  18. 18.102³ =
  19. 19.1008³ =
  20. 20.92³ =
  21. 21.1016³ =
  22. 22.102³ =
  23. 23.109³ =
  24. 24.107³ =
  25. 25.103³ =
  26. 26.1019³ =
  27. 27.1002³ =
  28. 28.1020³ =
  29. 29.980³ =
  30. 30.989³ =
  31. 31.107³ =
  32. 32.109³ =
  33. 33.98³ =
  34. 34.102³ =
  35. 35.991³ =
  36. 36.97³ =
  37. 37.983³ =
  38. 38.984³ =
  39. 39.1006³ =
  40. 40.987³ =

Answer key

  1. 1003003001
  2. 1124864
  3. 1124864
  4. 1061208
  5. 1030301000
  6. 952763904
  7. 970299
  8. 967361669
  9. 1157625
  10. 1061208
  11. 1039509197
  12. 1012048064
  13. 1092727
  14. 1295029
  15. 1157625
  16. 979146657
  17. 1024192512
  18. 1061208
  19. 1024192512
  20. 778688
  21. 1048772096
  22. 1061208
  23. 1295029
  24. 1225043
  25. 1092727
  26. 1058089859
  27. 1006012008
  28. 1061208000
  29. 941192000
  30. 967361669
  31. 1225043
  32. 1295029
  33. 941192
  34. 1061208
  35. 973242271
  36. 912673
  37. 949862087
  38. 952763904
  39. 1018108216
  40. 961504803

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