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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 912 · 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. 1.1010³ =
  2. 2.984³ =
  3. 3.92³ =
  4. 4.109³ =
  5. 5.96³ =
  6. 6.994³ =
  7. 7.1001³ =
  8. 8.95³ =
  9. 9.1003³ =
  10. 10.97³ =
  11. 11.98³ =
  12. 12.994³ =
  13. 13.1002³ =
  14. 14.1002³ =
  15. 15.104³ =
  16. 16.97³ =
  17. 17.91³ =
  18. 18.97³ =
  19. 19.1015³ =
  20. 20.109³ =
  21. 21.1002³ =
  22. 22.1014³ =
  23. 23.106³ =
  24. 24.93³ =
  25. 25.105³ =
  26. 26.1010³ =
  27. 27.102³ =
  28. 28.91³ =
  29. 29.992³ =
  30. 30.98³ =
  31. 31.109³ =
  32. 32.106³ =
  33. 33.98³ =
  34. 34.105³ =
  35. 35.109³ =
  36. 36.993³ =
  37. 37.91³ =
  38. 38.102³ =
  39. 39.990³ =
  40. 40.1001³ =

Answer key

  1. 1030301000
  2. 952763904
  3. 778688
  4. 1295029
  5. 884736
  6. 982107784
  7. 1003003001
  8. 857375
  9. 1009027027
  10. 912673
  11. 941192
  12. 982107784
  13. 1006012008
  14. 1006012008
  15. 1124864
  16. 912673
  17. 753571
  18. 912673
  19. 1045678375
  20. 1295029
  21. 1006012008
  22. 1042590744
  23. 1191016
  24. 804357
  25. 1157625
  26. 1030301000
  27. 1061208
  28. 753571
  29. 976191488
  30. 941192
  31. 1295029
  32. 1191016
  33. 941192
  34. 1157625
  35. 1295029
  36. 979146657
  37. 753571
  38. 1061208
  39. 970299000
  40. 1003003001

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