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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 826 · 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. 1.1009³ =
  2. 2.1001³ =
  3. 3.104³ =
  4. 4.1010³ =
  5. 5.108³ =
  6. 6.103³ =
  7. 7.993³ =
  8. 8.1015³ =
  9. 9.91³ =
  10. 10.91³ =
  11. 11.92³ =
  12. 12.1009³ =
  13. 13.94³ =
  14. 14.995³ =
  15. 15.1007³ =
  16. 16.91³ =
  17. 17.1011³ =
  18. 18.96³ =
  19. 19.994³ =
  20. 20.98³ =
  21. 21.98³ =
  22. 22.91³ =
  23. 23.95³ =
  24. 24.1016³ =
  25. 25.1004³ =
  26. 26.99³ =
  27. 27.1014³ =
  28. 28.95³ =
  29. 29.992³ =
  30. 30.96³ =
  31. 31.107³ =
  32. 32.980³ =
  33. 33.96³ =
  34. 34.92³ =
  35. 35.96³ =
  36. 36.997³ =
  37. 37.1012³ =
  38. 38.102³ =
  39. 39.1004³ =
  40. 40.1002³ =

Answer key

  1. 1027243729
  2. 1003003001
  3. 1124864
  4. 1030301000
  5. 1259712
  6. 1092727
  7. 979146657
  8. 1045678375
  9. 753571
  10. 753571
  11. 778688
  12. 1027243729
  13. 830584
  14. 985074875
  15. 1021147343
  16. 753571
  17. 1033364331
  18. 884736
  19. 982107784
  20. 941192
  21. 941192
  22. 753571
  23. 857375
  24. 1048772096
  25. 1012048064
  26. 970299
  27. 1042590744
  28. 857375
  29. 976191488
  30. 884736
  31. 1225043
  32. 941192000
  33. 884736
  34. 778688
  35. 884736
  36. 991026973
  37. 1036433728
  38. 1061208
  39. 1012048064
  40. 1006012008

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