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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 784 · 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. 1.1009³ =
  2. 2.104³ =
  3. 3.109³ =
  4. 4.994³ =
  5. 5.97³ =
  6. 6.97³ =
  7. 7.102³ =
  8. 8.103³ =
  9. 9.96³ =
  10. 10.96³ =
  11. 11.997³ =
  12. 12.998³ =
  13. 13.995³ =
  14. 14.106³ =
  15. 15.983³ =
  16. 16.101³ =
  17. 17.93³ =
  18. 18.104³ =
  19. 19.993³ =
  20. 20.108³ =
  21. 21.104³ =
  22. 22.103³ =
  23. 23.990³ =
  24. 24.94³ =
  25. 25.109³ =
  26. 26.1008³ =
  27. 27.102³ =
  28. 28.981³ =
  29. 29.986³ =
  30. 30.102³ =
  31. 31.109³ =
  32. 32.996³ =
  33. 33.982³ =
  34. 34.95³ =
  35. 35.91³ =
  36. 36.107³ =
  37. 37.1020³ =
  38. 38.988³ =
  39. 39.996³ =
  40. 40.1018³ =

Answer key

  1. 1027243729
  2. 1124864
  3. 1295029
  4. 982107784
  5. 912673
  6. 912673
  7. 1061208
  8. 1092727
  9. 884736
  10. 884736
  11. 991026973
  12. 994011992
  13. 985074875
  14. 1191016
  15. 949862087
  16. 1030301
  17. 804357
  18. 1124864
  19. 979146657
  20. 1259712
  21. 1124864
  22. 1092727
  23. 970299000
  24. 830584
  25. 1295029
  26. 1024192512
  27. 1061208
  28. 944076141
  29. 958585256
  30. 1061208
  31. 1295029
  32. 988047936
  33. 946966168
  34. 857375
  35. 753571
  36. 1225043
  37. 1061208000
  38. 964430272
  39. 988047936
  40. 1054977832

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