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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 739 · 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. 1.98³ =
  2. 2.94³ =
  3. 3.982³ =
  4. 4.991³ =
  5. 5.980³ =
  6. 6.1007³ =
  7. 7.93³ =
  8. 8.1005³ =
  9. 9.996³ =
  10. 10.1008³ =
  11. 11.1013³ =
  12. 12.989³ =
  13. 13.101³ =
  14. 14.95³ =
  15. 15.93³ =
  16. 16.108³ =
  17. 17.985³ =
  18. 18.98³ =
  19. 19.107³ =
  20. 20.105³ =
  21. 21.98³ =
  22. 22.107³ =
  23. 23.980³ =
  24. 24.93³ =
  25. 25.1004³ =
  26. 26.94³ =
  27. 27.992³ =
  28. 28.983³ =
  29. 29.1011³ =
  30. 30.1006³ =
  31. 31.1020³ =
  32. 32.1013³ =
  33. 33.99³ =
  34. 34.993³ =
  35. 35.101³ =
  36. 36.97³ =
  37. 37.998³ =
  38. 38.99³ =
  39. 39.97³ =
  40. 40.984³ =

Answer key

  1. 941192
  2. 830584
  3. 946966168
  4. 973242271
  5. 941192000
  6. 1021147343
  7. 804357
  8. 1015075125
  9. 988047936
  10. 1024192512
  11. 1039509197
  12. 967361669
  13. 1030301
  14. 857375
  15. 804357
  16. 1259712
  17. 955671625
  18. 941192
  19. 1225043
  20. 1157625
  21. 941192
  22. 1225043
  23. 941192000
  24. 804357
  25. 1012048064
  26. 830584
  27. 976191488
  28. 949862087
  29. 1033364331
  30. 1018108216
  31. 1061208000
  32. 1039509197
  33. 970299
  34. 979146657
  35. 1030301
  36. 912673
  37. 994011992
  38. 970299
  39. 912673
  40. 952763904

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