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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 689 · 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. 1.96³ =
  2. 2.99³ =
  3. 3.103³ =
  4. 4.107³ =
  5. 5.996³ =
  6. 6.98³ =
  7. 7.99³ =
  8. 8.106³ =
  9. 9.1002³ =
  10. 10.1018³ =
  11. 11.1001³ =
  12. 12.983³ =
  13. 13.1012³ =
  14. 14.994³ =
  15. 15.109³ =
  16. 16.98³ =
  17. 17.1013³ =
  18. 18.1016³ =
  19. 19.95³ =
  20. 20.1004³ =
  21. 21.1007³ =
  22. 22.1011³ =
  23. 23.99³ =
  24. 24.95³ =
  25. 25.1017³ =
  26. 26.104³ =
  27. 27.996³ =
  28. 28.92³ =
  29. 29.1018³ =
  30. 30.99³ =
  31. 31.999³ =
  32. 32.104³ =
  33. 33.1008³ =
  34. 34.105³ =
  35. 35.109³ =
  36. 36.1003³ =
  37. 37.99³ =
  38. 38.1006³ =
  39. 39.992³ =
  40. 40.91³ =

Answer key

  1. 884736
  2. 970299
  3. 1092727
  4. 1225043
  5. 988047936
  6. 941192
  7. 970299
  8. 1191016
  9. 1006012008
  10. 1054977832
  11. 1003003001
  12. 949862087
  13. 1036433728
  14. 982107784
  15. 1295029
  16. 941192
  17. 1039509197
  18. 1048772096
  19. 857375
  20. 1012048064
  21. 1021147343
  22. 1033364331
  23. 970299
  24. 857375
  25. 1051871913
  26. 1124864
  27. 988047936
  28. 778688
  29. 1054977832
  30. 970299
  31. 997002999
  32. 1124864
  33. 1024192512
  34. 1157625
  35. 1295029
  36. 1009027027
  37. 970299
  38. 1018108216
  39. 976191488
  40. 753571

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