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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 423 · 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. 1.1015³ =
  2. 2.981³ =
  3. 3.989³ =
  4. 4.108³ =
  5. 5.993³ =
  6. 6.95³ =
  7. 7.108³ =
  8. 8.97³ =
  9. 9.1018³ =
  10. 10.97³ =
  11. 11.980³ =
  12. 12.97³ =
  13. 13.988³ =
  14. 14.96³ =
  15. 15.107³ =
  16. 16.983³ =
  17. 17.107³ =
  18. 18.91³ =
  19. 19.996³ =
  20. 20.97³ =
  21. 21.995³ =
  22. 22.987³ =
  23. 23.109³ =
  24. 24.94³ =
  25. 25.99³ =
  26. 26.1008³ =
  27. 27.1008³ =
  28. 28.1002³ =
  29. 29.93³ =
  30. 30.1001³ =
  31. 31.1014³ =
  32. 32.1005³ =
  33. 33.102³ =
  34. 34.106³ =
  35. 35.103³ =
  36. 36.1013³ =
  37. 37.94³ =
  38. 38.91³ =
  39. 39.980³ =
  40. 40.986³ =

Answer key

  1. 1045678375
  2. 944076141
  3. 967361669
  4. 1259712
  5. 979146657
  6. 857375
  7. 1259712
  8. 912673
  9. 1054977832
  10. 912673
  11. 941192000
  12. 912673
  13. 964430272
  14. 884736
  15. 1225043
  16. 949862087
  17. 1225043
  18. 753571
  19. 988047936
  20. 912673
  21. 985074875
  22. 961504803
  23. 1295029
  24. 830584
  25. 970299
  26. 1024192512
  27. 1024192512
  28. 1006012008
  29. 804357
  30. 1003003001
  31. 1042590744
  32. 1015075125
  33. 1061208
  34. 1191016
  35. 1092727
  36. 1039509197
  37. 830584
  38. 753571
  39. 941192000
  40. 958585256

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