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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 210 · 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. 1.1002³ =
  2. 2.1012³ =
  3. 3.105³ =
  4. 4.994³ =
  5. 5.98³ =
  6. 6.104³ =
  7. 7.91³ =
  8. 8.106³ =
  9. 9.102³ =
  10. 10.97³ =
  11. 11.103³ =
  12. 12.99³ =
  13. 13.91³ =
  14. 14.1019³ =
  15. 15.92³ =
  16. 16.1012³ =
  17. 17.1012³ =
  18. 18.994³ =
  19. 19.992³ =
  20. 20.1019³ =
  21. 21.104³ =
  22. 22.1009³ =
  23. 23.992³ =
  24. 24.96³ =
  25. 25.105³ =
  26. 26.985³ =
  27. 27.101³ =
  28. 28.105³ =
  29. 29.97³ =
  30. 30.99³ =
  31. 31.1002³ =
  32. 32.96³ =
  33. 33.1002³ =
  34. 34.1001³ =
  35. 35.93³ =
  36. 36.1002³ =
  37. 37.999³ =
  38. 38.1002³ =
  39. 39.999³ =
  40. 40.103³ =

Answer key

  1. 1006012008
  2. 1036433728
  3. 1157625
  4. 982107784
  5. 941192
  6. 1124864
  7. 753571
  8. 1191016
  9. 1061208
  10. 912673
  11. 1092727
  12. 970299
  13. 753571
  14. 1058089859
  15. 778688
  16. 1036433728
  17. 1036433728
  18. 982107784
  19. 976191488
  20. 1058089859
  21. 1124864
  22. 1027243729
  23. 976191488
  24. 884736
  25. 1157625
  26. 955671625
  27. 1030301
  28. 1157625
  29. 912673
  30. 970299
  31. 1006012008
  32. 884736
  33. 1006012008
  34. 1003003001
  35. 804357
  36. 1006012008
  37. 997002999
  38. 1006012008
  39. 997002999
  40. 1092727

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