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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 841 · 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. 1.1003³ =
  2. 2.997³ =
  3. 3.107³ =
  4. 4.91³ =
  5. 5.109³ =
  6. 6.991³ =
  7. 7.91³ =
  8. 8.1009³ =
  9. 9.101³ =
  10. 10.988³ =
  11. 11.1001³ =
  12. 12.97³ =
  13. 13.92³ =
  14. 14.102³ =
  15. 15.105³ =
  16. 16.997³ =
  17. 17.98³ =
  18. 18.102³ =
  19. 19.104³ =
  20. 20.94³ =
  21. 21.994³ =
  22. 22.996³ =
  23. 23.107³ =
  24. 24.96³ =
  25. 25.1020³ =
  26. 26.109³ =
  27. 27.987³ =
  28. 28.96³ =
  29. 29.994³ =
  30. 30.1001³ =
  31. 31.91³ =
  32. 32.95³ =
  33. 33.93³ =
  34. 34.994³ =
  35. 35.993³ =
  36. 36.1020³ =
  37. 37.103³ =
  38. 38.1004³ =
  39. 39.1009³ =
  40. 40.93³ =

Answer key

  1. 1009027027
  2. 991026973
  3. 1225043
  4. 753571
  5. 1295029
  6. 973242271
  7. 753571
  8. 1027243729
  9. 1030301
  10. 964430272
  11. 1003003001
  12. 912673
  13. 778688
  14. 1061208
  15. 1157625
  16. 991026973
  17. 941192
  18. 1061208
  19. 1124864
  20. 830584
  21. 982107784
  22. 988047936
  23. 1225043
  24. 884736
  25. 1061208000
  26. 1295029
  27. 961504803
  28. 884736
  29. 982107784
  30. 1003003001
  31. 753571
  32. 857375
  33. 804357
  34. 982107784
  35. 979146657
  36. 1061208000
  37. 1092727
  38. 1012048064
  39. 1027243729
  40. 804357

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