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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 281 · 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. 1.986³ =
  2. 2.98³ =
  3. 3.1008³ =
  4. 4.102³ =
  5. 5.997³ =
  6. 6.990³ =
  7. 7.96³ =
  8. 8.103³ =
  9. 9.95³ =
  10. 10.1014³ =
  11. 11.98³ =
  12. 12.1019³ =
  13. 13.97³ =
  14. 14.104³ =
  15. 15.102³ =
  16. 16.91³ =
  17. 17.1001³ =
  18. 18.997³ =
  19. 19.985³ =
  20. 20.99³ =
  21. 21.105³ =
  22. 22.98³ =
  23. 23.109³ =
  24. 24.1009³ =
  25. 25.1004³ =
  26. 26.95³ =
  27. 27.95³ =
  28. 28.94³ =
  29. 29.1013³ =
  30. 30.96³ =
  31. 31.994³ =
  32. 32.95³ =
  33. 33.104³ =
  34. 34.1012³ =
  35. 35.1007³ =
  36. 36.986³ =
  37. 37.992³ =
  38. 38.92³ =
  39. 39.101³ =
  40. 40.98³ =

Answer key

  1. 958585256
  2. 941192
  3. 1024192512
  4. 1061208
  5. 991026973
  6. 970299000
  7. 884736
  8. 1092727
  9. 857375
  10. 1042590744
  11. 941192
  12. 1058089859
  13. 912673
  14. 1124864
  15. 1061208
  16. 753571
  17. 1003003001
  18. 991026973
  19. 955671625
  20. 970299
  21. 1157625
  22. 941192
  23. 1295029
  24. 1027243729
  25. 1012048064
  26. 857375
  27. 857375
  28. 830584
  29. 1039509197
  30. 884736
  31. 982107784
  32. 857375
  33. 1124864
  34. 1036433728
  35. 1021147343
  36. 958585256
  37. 976191488
  38. 778688
  39. 1030301
  40. 941192

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