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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 740 · 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. 1.1016³ =
  2. 2.101³ =
  3. 3.109³ =
  4. 4.105³ =
  5. 5.97³ =
  6. 6.102³ =
  7. 7.104³ =
  8. 8.992³ =
  9. 9.98³ =
  10. 10.109³ =
  11. 11.103³ =
  12. 12.1002³ =
  13. 13.102³ =
  14. 14.1017³ =
  15. 15.92³ =
  16. 16.103³ =
  17. 17.107³ =
  18. 18.102³ =
  19. 19.999³ =
  20. 20.96³ =
  21. 21.92³ =
  22. 22.107³ =
  23. 23.93³ =
  24. 24.1003³ =
  25. 25.993³ =
  26. 26.98³ =
  27. 27.1019³ =
  28. 28.91³ =
  29. 29.981³ =
  30. 30.92³ =
  31. 31.93³ =
  32. 32.97³ =
  33. 33.1006³ =
  34. 34.997³ =
  35. 35.92³ =
  36. 36.97³ =
  37. 37.95³ =
  38. 38.991³ =
  39. 39.1001³ =
  40. 40.998³ =

Answer key

  1. 1048772096
  2. 1030301
  3. 1295029
  4. 1157625
  5. 912673
  6. 1061208
  7. 1124864
  8. 976191488
  9. 941192
  10. 1295029
  11. 1092727
  12. 1006012008
  13. 1061208
  14. 1051871913
  15. 778688
  16. 1092727
  17. 1225043
  18. 1061208
  19. 997002999
  20. 884736
  21. 778688
  22. 1225043
  23. 804357
  24. 1009027027
  25. 979146657
  26. 941192
  27. 1058089859
  28. 753571
  29. 944076141
  30. 778688
  31. 804357
  32. 912673
  33. 1018108216
  34. 991026973
  35. 778688
  36. 912673
  37. 857375
  38. 973242271
  39. 1003003001
  40. 994011992

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