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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 507 · 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. 1.105³ =
  2. 2.105³ =
  3. 3.1009³ =
  4. 4.993³ =
  5. 5.92³ =
  6. 6.1015³ =
  7. 7.987³ =
  8. 8.1020³ =
  9. 9.991³ =
  10. 10.96³ =
  11. 11.994³ =
  12. 12.92³ =
  13. 13.1018³ =
  14. 14.1014³ =
  15. 15.98³ =
  16. 16.104³ =
  17. 17.101³ =
  18. 18.109³ =
  19. 19.105³ =
  20. 20.94³ =
  21. 21.103³ =
  22. 22.105³ =
  23. 23.104³ =
  24. 24.98³ =
  25. 25.1001³ =
  26. 26.97³ =
  27. 27.98³ =
  28. 28.988³ =
  29. 29.109³ =
  30. 30.992³ =
  31. 31.108³ =
  32. 32.106³ =
  33. 33.97³ =
  34. 34.988³ =
  35. 35.92³ =
  36. 36.93³ =
  37. 37.95³ =
  38. 38.990³ =
  39. 39.986³ =
  40. 40.106³ =

Answer key

  1. 1157625
  2. 1157625
  3. 1027243729
  4. 979146657
  5. 778688
  6. 1045678375
  7. 961504803
  8. 1061208000
  9. 973242271
  10. 884736
  11. 982107784
  12. 778688
  13. 1054977832
  14. 1042590744
  15. 941192
  16. 1124864
  17. 1030301
  18. 1295029
  19. 1157625
  20. 830584
  21. 1092727
  22. 1157625
  23. 1124864
  24. 941192
  25. 1003003001
  26. 912673
  27. 941192
  28. 964430272
  29. 1295029
  30. 976191488
  31. 1259712
  32. 1191016
  33. 912673
  34. 964430272
  35. 778688
  36. 804357
  37. 857375
  38. 970299000
  39. 958585256
  40. 1191016

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