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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 719 · 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. 1.105³ =
  2. 2.109³ =
  3. 3.108³ =
  4. 4.1018³ =
  5. 5.99³ =
  6. 6.987³ =
  7. 7.997³ =
  8. 8.106³ =
  9. 9.994³ =
  10. 10.1006³ =
  11. 11.103³ =
  12. 12.93³ =
  13. 13.991³ =
  14. 14.1015³ =
  15. 15.91³ =
  16. 16.93³ =
  17. 17.999³ =
  18. 18.997³ =
  19. 19.98³ =
  20. 20.106³ =
  21. 21.106³ =
  22. 22.95³ =
  23. 23.1007³ =
  24. 24.99³ =
  25. 25.990³ =
  26. 26.97³ =
  27. 27.108³ =
  28. 28.983³ =
  29. 29.95³ =
  30. 30.97³ =
  31. 31.980³ =
  32. 32.98³ =
  33. 33.1019³ =
  34. 34.993³ =
  35. 35.987³ =
  36. 36.97³ =
  37. 37.102³ =
  38. 38.995³ =
  39. 39.97³ =
  40. 40.983³ =

Answer key

  1. 1157625
  2. 1295029
  3. 1259712
  4. 1054977832
  5. 970299
  6. 961504803
  7. 991026973
  8. 1191016
  9. 982107784
  10. 1018108216
  11. 1092727
  12. 804357
  13. 973242271
  14. 1045678375
  15. 753571
  16. 804357
  17. 997002999
  18. 991026973
  19. 941192
  20. 1191016
  21. 1191016
  22. 857375
  23. 1021147343
  24. 970299
  25. 970299000
  26. 912673
  27. 1259712
  28. 949862087
  29. 857375
  30. 912673
  31. 941192000
  32. 941192
  33. 1058089859
  34. 979146657
  35. 961504803
  36. 912673
  37. 1061208
  38. 985074875
  39. 912673
  40. 949862087

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