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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 809 · 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. 1.1019³ =
  2. 2.996³ =
  3. 3.104³ =
  4. 4.95³ =
  5. 5.98³ =
  6. 6.991³ =
  7. 7.94³ =
  8. 8.104³ =
  9. 9.99³ =
  10. 10.994³ =
  11. 11.93³ =
  12. 12.1004³ =
  13. 13.982³ =
  14. 14.105³ =
  15. 15.91³ =
  16. 16.93³ =
  17. 17.106³ =
  18. 18.1016³ =
  19. 19.106³ =
  20. 20.106³ =
  21. 21.92³ =
  22. 22.109³ =
  23. 23.91³ =
  24. 24.93³ =
  25. 25.982³ =
  26. 26.94³ =
  27. 27.1003³ =
  28. 28.1019³ =
  29. 29.986³ =
  30. 30.988³ =
  31. 31.986³ =
  32. 32.1017³ =
  33. 33.107³ =
  34. 34.994³ =
  35. 35.1016³ =
  36. 36.102³ =
  37. 37.105³ =
  38. 38.1004³ =
  39. 39.102³ =
  40. 40.1001³ =

Answer key

  1. 1058089859
  2. 988047936
  3. 1124864
  4. 857375
  5. 941192
  6. 973242271
  7. 830584
  8. 1124864
  9. 970299
  10. 982107784
  11. 804357
  12. 1012048064
  13. 946966168
  14. 1157625
  15. 753571
  16. 804357
  17. 1191016
  18. 1048772096
  19. 1191016
  20. 1191016
  21. 778688
  22. 1295029
  23. 753571
  24. 804357
  25. 946966168
  26. 830584
  27. 1009027027
  28. 1058089859
  29. 958585256
  30. 964430272
  31. 958585256
  32. 1051871913
  33. 1225043
  34. 982107784
  35. 1048772096
  36. 1061208
  37. 1157625
  38. 1012048064
  39. 1061208
  40. 1003003001

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