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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 58 · 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. 1.93³ =
  2. 2.980³ =
  3. 3.105³ =
  4. 4.998³ =
  5. 5.1017³ =
  6. 6.108³ =
  7. 7.91³ =
  8. 8.987³ =
  9. 9.987³ =
  10. 10.1005³ =
  11. 11.91³ =
  12. 12.91³ =
  13. 13.990³ =
  14. 14.93³ =
  15. 15.99³ =
  16. 16.96³ =
  17. 17.999³ =
  18. 18.982³ =
  19. 19.1002³ =
  20. 20.991³ =
  21. 21.103³ =
  22. 22.94³ =
  23. 23.1017³ =
  24. 24.109³ =
  25. 25.984³ =
  26. 26.99³ =
  27. 27.97³ =
  28. 28.92³ =
  29. 29.992³ =
  30. 30.107³ =
  31. 31.102³ =
  32. 32.95³ =
  33. 33.1002³ =
  34. 34.103³ =
  35. 35.1004³ =
  36. 36.97³ =
  37. 37.98³ =
  38. 38.1020³ =
  39. 39.1008³ =
  40. 40.99³ =

Answer key

  1. 804357
  2. 941192000
  3. 1157625
  4. 994011992
  5. 1051871913
  6. 1259712
  7. 753571
  8. 961504803
  9. 961504803
  10. 1015075125
  11. 753571
  12. 753571
  13. 970299000
  14. 804357
  15. 970299
  16. 884736
  17. 997002999
  18. 946966168
  19. 1006012008
  20. 973242271
  21. 1092727
  22. 830584
  23. 1051871913
  24. 1295029
  25. 952763904
  26. 970299
  27. 912673
  28. 778688
  29. 976191488
  30. 1225043
  31. 1061208
  32. 857375
  33. 1006012008
  34. 1092727
  35. 1012048064
  36. 912673
  37. 941192
  38. 1061208000
  39. 1024192512
  40. 970299

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