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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 695 · 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. 1.101³ =
  2. 2.96³ =
  3. 3.95³ =
  4. 4.108³ =
  5. 5.97³ =
  6. 6.1003³ =
  7. 7.999³ =
  8. 8.109³ =
  9. 9.1015³ =
  10. 10.1004³ =
  11. 11.105³ =
  12. 12.94³ =
  13. 13.97³ =
  14. 14.991³ =
  15. 15.98³ =
  16. 16.99³ =
  17. 17.991³ =
  18. 18.99³ =
  19. 19.999³ =
  20. 20.983³ =
  21. 21.97³ =
  22. 22.108³ =
  23. 23.1004³ =
  24. 24.989³ =
  25. 25.990³ =
  26. 26.990³ =
  27. 27.109³ =
  28. 28.101³ =
  29. 29.1011³ =
  30. 30.1010³ =
  31. 31.109³ =
  32. 32.104³ =
  33. 33.102³ =
  34. 34.97³ =
  35. 35.1020³ =
  36. 36.104³ =
  37. 37.996³ =
  38. 38.91³ =
  39. 39.99³ =
  40. 40.987³ =

Answer key

  1. 1030301
  2. 884736
  3. 857375
  4. 1259712
  5. 912673
  6. 1009027027
  7. 997002999
  8. 1295029
  9. 1045678375
  10. 1012048064
  11. 1157625
  12. 830584
  13. 912673
  14. 973242271
  15. 941192
  16. 970299
  17. 973242271
  18. 970299
  19. 997002999
  20. 949862087
  21. 912673
  22. 1259712
  23. 1012048064
  24. 967361669
  25. 970299000
  26. 970299000
  27. 1295029
  28. 1030301
  29. 1033364331
  30. 1030301000
  31. 1295029
  32. 1124864
  33. 1061208
  34. 912673
  35. 1061208000
  36. 1124864
  37. 988047936
  38. 753571
  39. 970299
  40. 961504803

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