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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 973 · 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. 1.109³ =
  2. 2.106³ =
  3. 3.94³ =
  4. 4.1008³ =
  5. 5.101³ =
  6. 6.988³ =
  7. 7.96³ =
  8. 8.96³ =
  9. 9.1002³ =
  10. 10.991³ =
  11. 11.985³ =
  12. 12.1001³ =
  13. 13.1005³ =
  14. 14.1017³ =
  15. 15.1016³ =
  16. 16.91³ =
  17. 17.102³ =
  18. 18.93³ =
  19. 19.1018³ =
  20. 20.996³ =
  21. 21.108³ =
  22. 22.109³ =
  23. 23.91³ =
  24. 24.98³ =
  25. 25.97³ =
  26. 26.980³ =
  27. 27.95³ =
  28. 28.101³ =
  29. 29.1010³ =
  30. 30.999³ =
  31. 31.105³ =
  32. 32.107³ =
  33. 33.105³ =
  34. 34.1016³ =
  35. 35.1014³ =
  36. 36.984³ =
  37. 37.104³ =
  38. 38.91³ =
  39. 39.97³ =
  40. 40.98³ =

Answer key

  1. 1295029
  2. 1191016
  3. 830584
  4. 1024192512
  5. 1030301
  6. 964430272
  7. 884736
  8. 884736
  9. 1006012008
  10. 973242271
  11. 955671625
  12. 1003003001
  13. 1015075125
  14. 1051871913
  15. 1048772096
  16. 753571
  17. 1061208
  18. 804357
  19. 1054977832
  20. 988047936
  21. 1259712
  22. 1295029
  23. 753571
  24. 941192
  25. 912673
  26. 941192000
  27. 857375
  28. 1030301
  29. 1030301000
  30. 997002999
  31. 1157625
  32. 1225043
  33. 1157625
  34. 1048772096
  35. 1042590744
  36. 952763904
  37. 1124864
  38. 753571
  39. 912673
  40. 941192

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