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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 808 · 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. 1.95³ =
  2. 2.107³ =
  3. 3.991³ =
  4. 4.91³ =
  5. 5.92³ =
  6. 6.996³ =
  7. 7.93³ =
  8. 8.91³ =
  9. 9.108³ =
  10. 10.109³ =
  11. 11.981³ =
  12. 12.97³ =
  13. 13.91³ =
  14. 14.109³ =
  15. 15.94³ =
  16. 16.93³ =
  17. 17.109³ =
  18. 18.1018³ =
  19. 19.986³ =
  20. 20.1009³ =
  21. 21.980³ =
  22. 22.96³ =
  23. 23.1017³ =
  24. 24.95³ =
  25. 25.108³ =
  26. 26.103³ =
  27. 27.98³ =
  28. 28.91³ =
  29. 29.1011³ =
  30. 30.1020³ =
  31. 31.1018³ =
  32. 32.101³ =
  33. 33.105³ =
  34. 34.106³ =
  35. 35.1002³ =
  36. 36.99³ =
  37. 37.99³ =
  38. 38.987³ =
  39. 39.99³ =
  40. 40.1002³ =

Answer key

  1. 857375
  2. 1225043
  3. 973242271
  4. 753571
  5. 778688
  6. 988047936
  7. 804357
  8. 753571
  9. 1259712
  10. 1295029
  11. 944076141
  12. 912673
  13. 753571
  14. 1295029
  15. 830584
  16. 804357
  17. 1295029
  18. 1054977832
  19. 958585256
  20. 1027243729
  21. 941192000
  22. 884736
  23. 1051871913
  24. 857375
  25. 1259712
  26. 1092727
  27. 941192
  28. 753571
  29. 1033364331
  30. 1061208000
  31. 1054977832
  32. 1030301
  33. 1157625
  34. 1191016
  35. 1006012008
  36. 970299
  37. 970299
  38. 961504803
  39. 970299
  40. 1006012008

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