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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 677 · 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. 1.91³ =
  2. 2.988³ =
  3. 3.96³ =
  4. 4.103³ =
  5. 5.91³ =
  6. 6.93³ =
  7. 7.98³ =
  8. 8.1008³ =
  9. 9.1003³ =
  10. 10.105³ =
  11. 11.107³ =
  12. 12.999³ =
  13. 13.102³ =
  14. 14.108³ =
  15. 15.998³ =
  16. 16.103³ =
  17. 17.99³ =
  18. 18.1017³ =
  19. 19.1018³ =
  20. 20.93³ =
  21. 21.105³ =
  22. 22.102³ =
  23. 23.106³ =
  24. 24.97³ =
  25. 25.1005³ =
  26. 26.93³ =
  27. 27.99³ =
  28. 28.104³ =
  29. 29.102³ =
  30. 30.998³ =
  31. 31.105³ =
  32. 32.92³ =
  33. 33.92³ =
  34. 34.1002³ =
  35. 35.95³ =
  36. 36.982³ =
  37. 37.109³ =
  38. 38.93³ =
  39. 39.986³ =
  40. 40.1006³ =

Answer key

  1. 753571
  2. 964430272
  3. 884736
  4. 1092727
  5. 753571
  6. 804357
  7. 941192
  8. 1024192512
  9. 1009027027
  10. 1157625
  11. 1225043
  12. 997002999
  13. 1061208
  14. 1259712
  15. 994011992
  16. 1092727
  17. 970299
  18. 1051871913
  19. 1054977832
  20. 804357
  21. 1157625
  22. 1061208
  23. 1191016
  24. 912673
  25. 1015075125
  26. 804357
  27. 970299
  28. 1124864
  29. 1061208
  30. 994011992
  31. 1157625
  32. 778688
  33. 778688
  34. 1006012008
  35. 857375
  36. 946966168
  37. 1295029
  38. 804357
  39. 958585256
  40. 1018108216

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