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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 5 · 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. 1.102³ =
  2. 2.999³ =
  3. 3.986³ =
  4. 4.109³ =
  5. 5.98³ =
  6. 6.991³ =
  7. 7.997³ =
  8. 8.996³ =
  9. 9.97³ =
  10. 10.102³ =
  11. 11.1001³ =
  12. 12.91³ =
  13. 13.108³ =
  14. 14.108³ =
  15. 15.109³ =
  16. 16.94³ =
  17. 17.104³ =
  18. 18.98³ =
  19. 19.987³ =
  20. 20.1009³ =
  21. 21.1008³ =
  22. 22.986³ =
  23. 23.1019³ =
  24. 24.94³ =
  25. 25.104³ =
  26. 26.93³ =
  27. 27.93³ =
  28. 28.981³ =
  29. 29.1006³ =
  30. 30.109³ =
  31. 31.91³ =
  32. 32.97³ =
  33. 33.1003³ =
  34. 34.994³ =
  35. 35.1006³ =
  36. 36.991³ =
  37. 37.107³ =
  38. 38.91³ =
  39. 39.994³ =
  40. 40.991³ =

Answer key

  1. 1061208
  2. 997002999
  3. 958585256
  4. 1295029
  5. 941192
  6. 973242271
  7. 991026973
  8. 988047936
  9. 912673
  10. 1061208
  11. 1003003001
  12. 753571
  13. 1259712
  14. 1259712
  15. 1295029
  16. 830584
  17. 1124864
  18. 941192
  19. 961504803
  20. 1027243729
  21. 1024192512
  22. 958585256
  23. 1058089859
  24. 830584
  25. 1124864
  26. 804357
  27. 804357
  28. 944076141
  29. 1018108216
  30. 1295029
  31. 753571
  32. 912673
  33. 1009027027
  34. 982107784
  35. 1018108216
  36. 973242271
  37. 1225043
  38. 753571
  39. 982107784
  40. 973242271

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