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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 664 · 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. 1.1004³ =
  2. 2.104³ =
  3. 3.1011³ =
  4. 4.986³ =
  5. 5.1010³ =
  6. 6.1011³ =
  7. 7.986³ =
  8. 8.93³ =
  9. 9.989³ =
  10. 10.993³ =
  11. 11.96³ =
  12. 12.96³ =
  13. 13.107³ =
  14. 14.95³ =
  15. 15.1001³ =
  16. 16.997³ =
  17. 17.98³ =
  18. 18.96³ =
  19. 19.108³ =
  20. 20.1011³ =
  21. 21.101³ =
  22. 22.93³ =
  23. 23.104³ =
  24. 24.1014³ =
  25. 25.981³ =
  26. 26.105³ =
  27. 27.985³ =
  28. 28.105³ =
  29. 29.1020³ =
  30. 30.986³ =
  31. 31.94³ =
  32. 32.102³ =
  33. 33.99³ =
  34. 34.1012³ =
  35. 35.1014³ =
  36. 36.109³ =
  37. 37.98³ =
  38. 38.96³ =
  39. 39.99³ =
  40. 40.107³ =

Answer key

  1. 1012048064
  2. 1124864
  3. 1033364331
  4. 958585256
  5. 1030301000
  6. 1033364331
  7. 958585256
  8. 804357
  9. 967361669
  10. 979146657
  11. 884736
  12. 884736
  13. 1225043
  14. 857375
  15. 1003003001
  16. 991026973
  17. 941192
  18. 884736
  19. 1259712
  20. 1033364331
  21. 1030301
  22. 804357
  23. 1124864
  24. 1042590744
  25. 944076141
  26. 1157625
  27. 955671625
  28. 1157625
  29. 1061208000
  30. 958585256
  31. 830584
  32. 1061208
  33. 970299
  34. 1036433728
  35. 1042590744
  36. 1295029
  37. 941192
  38. 884736
  39. 970299
  40. 1225043

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