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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 563 · 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. 1.1019³ =
  2. 2.103³ =
  3. 3.109³ =
  4. 4.95³ =
  5. 5.1017³ =
  6. 6.982³ =
  7. 7.95³ =
  8. 8.980³ =
  9. 9.1015³ =
  10. 10.993³ =
  11. 11.1007³ =
  12. 12.1015³ =
  13. 13.1016³ =
  14. 14.991³ =
  15. 15.99³ =
  16. 16.998³ =
  17. 17.989³ =
  18. 18.109³ =
  19. 19.97³ =
  20. 20.993³ =
  21. 21.92³ =
  22. 22.999³ =
  23. 23.105³ =
  24. 24.996³ =
  25. 25.108³ =
  26. 26.96³ =
  27. 27.1012³ =
  28. 28.109³ =
  29. 29.1013³ =
  30. 30.99³ =
  31. 31.1001³ =
  32. 32.98³ =
  33. 33.999³ =
  34. 34.93³ =
  35. 35.988³ =
  36. 36.104³ =
  37. 37.93³ =
  38. 38.97³ =
  39. 39.996³ =
  40. 40.97³ =

Answer key

  1. 1058089859
  2. 1092727
  3. 1295029
  4. 857375
  5. 1051871913
  6. 946966168
  7. 857375
  8. 941192000
  9. 1045678375
  10. 979146657
  11. 1021147343
  12. 1045678375
  13. 1048772096
  14. 973242271
  15. 970299
  16. 994011992
  17. 967361669
  18. 1295029
  19. 912673
  20. 979146657
  21. 778688
  22. 997002999
  23. 1157625
  24. 988047936
  25. 1259712
  26. 884736
  27. 1036433728
  28. 1295029
  29. 1039509197
  30. 970299
  31. 1003003001
  32. 941192
  33. 997002999
  34. 804357
  35. 964430272
  36. 1124864
  37. 804357
  38. 912673
  39. 988047936
  40. 912673

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