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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 84 · 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. 1.989³ =
  2. 2.106³ =
  3. 3.95³ =
  4. 4.92³ =
  5. 5.107³ =
  6. 6.92³ =
  7. 7.983³ =
  8. 8.106³ =
  9. 9.105³ =
  10. 10.102³ =
  11. 11.989³ =
  12. 12.995³ =
  13. 13.108³ =
  14. 14.103³ =
  15. 15.986³ =
  16. 16.96³ =
  17. 17.995³ =
  18. 18.98³ =
  19. 19.989³ =
  20. 20.996³ =
  21. 21.107³ =
  22. 22.1015³ =
  23. 23.1018³ =
  24. 24.1020³ =
  25. 25.984³ =
  26. 26.990³ =
  27. 27.986³ =
  28. 28.94³ =
  29. 29.103³ =
  30. 30.1003³ =
  31. 31.105³ =
  32. 32.109³ =
  33. 33.107³ =
  34. 34.102³ =
  35. 35.1007³ =
  36. 36.1003³ =
  37. 37.103³ =
  38. 38.982³ =
  39. 39.1015³ =
  40. 40.92³ =

Answer key

  1. 967361669
  2. 1191016
  3. 857375
  4. 778688
  5. 1225043
  6. 778688
  7. 949862087
  8. 1191016
  9. 1157625
  10. 1061208
  11. 967361669
  12. 985074875
  13. 1259712
  14. 1092727
  15. 958585256
  16. 884736
  17. 985074875
  18. 941192
  19. 967361669
  20. 988047936
  21. 1225043
  22. 1045678375
  23. 1054977832
  24. 1061208000
  25. 952763904
  26. 970299000
  27. 958585256
  28. 830584
  29. 1092727
  30. 1009027027
  31. 1157625
  32. 1295029
  33. 1225043
  34. 1061208
  35. 1021147343
  36. 1009027027
  37. 1092727
  38. 946966168
  39. 1045678375
  40. 778688

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