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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 546 · 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. 1.103³ =
  2. 2.105³ =
  3. 3.109³ =
  4. 4.105³ =
  5. 5.986³ =
  6. 6.105³ =
  7. 7.109³ =
  8. 8.104³ =
  9. 9.1003³ =
  10. 10.102³ =
  11. 11.98³ =
  12. 12.995³ =
  13. 13.109³ =
  14. 14.1009³ =
  15. 15.109³ =
  16. 16.994³ =
  17. 17.99³ =
  18. 18.1001³ =
  19. 19.1020³ =
  20. 20.985³ =
  21. 21.991³ =
  22. 22.1002³ =
  23. 23.989³ =
  24. 24.1006³ =
  25. 25.981³ =
  26. 26.1008³ =
  27. 27.96³ =
  28. 28.1005³ =
  29. 29.92³ =
  30. 30.109³ =
  31. 31.96³ =
  32. 32.987³ =
  33. 33.105³ =
  34. 34.99³ =
  35. 35.981³ =
  36. 36.109³ =
  37. 37.1015³ =
  38. 38.109³ =
  39. 39.980³ =
  40. 40.95³ =

Answer key

  1. 1092727
  2. 1157625
  3. 1295029
  4. 1157625
  5. 958585256
  6. 1157625
  7. 1295029
  8. 1124864
  9. 1009027027
  10. 1061208
  11. 941192
  12. 985074875
  13. 1295029
  14. 1027243729
  15. 1295029
  16. 982107784
  17. 970299
  18. 1003003001
  19. 1061208000
  20. 955671625
  21. 973242271
  22. 1006012008
  23. 967361669
  24. 1018108216
  25. 944076141
  26. 1024192512
  27. 884736
  28. 1015075125
  29. 778688
  30. 1295029
  31. 884736
  32. 961504803
  33. 1157625
  34. 970299
  35. 944076141
  36. 1295029
  37. 1045678375
  38. 1295029
  39. 941192000
  40. 857375

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