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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 147 · 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. 1.993³ =
  2. 2.93³ =
  3. 3.990³ =
  4. 4.99³ =
  5. 5.102³ =
  6. 6.108³ =
  7. 7.104³ =
  8. 8.99³ =
  9. 9.98³ =
  10. 10.99³ =
  11. 11.92³ =
  12. 12.103³ =
  13. 13.105³ =
  14. 14.1015³ =
  15. 15.95³ =
  16. 16.102³ =
  17. 17.999³ =
  18. 18.91³ =
  19. 19.982³ =
  20. 20.1004³ =
  21. 21.104³ =
  22. 22.983³ =
  23. 23.96³ =
  24. 24.103³ =
  25. 25.109³ =
  26. 26.98³ =
  27. 27.99³ =
  28. 28.102³ =
  29. 29.1020³ =
  30. 30.96³ =
  31. 31.109³ =
  32. 32.92³ =
  33. 33.1007³ =
  34. 34.107³ =
  35. 35.1003³ =
  36. 36.1004³ =
  37. 37.101³ =
  38. 38.1003³ =
  39. 39.1008³ =
  40. 40.102³ =

Answer key

  1. 979146657
  2. 804357
  3. 970299000
  4. 970299
  5. 1061208
  6. 1259712
  7. 1124864
  8. 970299
  9. 941192
  10. 970299
  11. 778688
  12. 1092727
  13. 1157625
  14. 1045678375
  15. 857375
  16. 1061208
  17. 997002999
  18. 753571
  19. 946966168
  20. 1012048064
  21. 1124864
  22. 949862087
  23. 884736
  24. 1092727
  25. 1295029
  26. 941192
  27. 970299
  28. 1061208
  29. 1061208000
  30. 884736
  31. 1295029
  32. 778688
  33. 1021147343
  34. 1225043
  35. 1009027027
  36. 1012048064
  37. 1030301
  38. 1009027027
  39. 1024192512
  40. 1061208

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