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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 109 · 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. 1.997³ =
  2. 2.98³ =
  3. 3.94³ =
  4. 4.94³ =
  5. 5.108³ =
  6. 6.101³ =
  7. 7.101³ =
  8. 8.93³ =
  9. 9.98³ =
  10. 10.995³ =
  11. 11.101³ =
  12. 12.94³ =
  13. 13.109³ =
  14. 14.96³ =
  15. 15.994³ =
  16. 16.94³ =
  17. 17.103³ =
  18. 18.1010³ =
  19. 19.93³ =
  20. 20.108³ =
  21. 21.1018³ =
  22. 22.997³ =
  23. 23.1007³ =
  24. 24.1018³ =
  25. 25.92³ =
  26. 26.99³ =
  27. 27.97³ =
  28. 28.99³ =
  29. 29.1014³ =
  30. 30.105³ =
  31. 31.95³ =
  32. 32.99³ =
  33. 33.101³ =
  34. 34.1001³ =
  35. 35.104³ =
  36. 36.102³ =
  37. 37.99³ =
  38. 38.102³ =
  39. 39.1004³ =
  40. 40.109³ =

Answer key

  1. 991026973
  2. 941192
  3. 830584
  4. 830584
  5. 1259712
  6. 1030301
  7. 1030301
  8. 804357
  9. 941192
  10. 985074875
  11. 1030301
  12. 830584
  13. 1295029
  14. 884736
  15. 982107784
  16. 830584
  17. 1092727
  18. 1030301000
  19. 804357
  20. 1259712
  21. 1054977832
  22. 991026973
  23. 1021147343
  24. 1054977832
  25. 778688
  26. 970299
  27. 912673
  28. 970299
  29. 1042590744
  30. 1157625
  31. 857375
  32. 970299
  33. 1030301
  34. 1003003001
  35. 1124864
  36. 1061208
  37. 970299
  38. 1061208
  39. 1012048064
  40. 1295029

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