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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 950 · 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. 1.991³ =
  2. 2.92³ =
  3. 3.1016³ =
  4. 4.1020³ =
  5. 5.1014³ =
  6. 6.1006³ =
  7. 7.985³ =
  8. 8.107³ =
  9. 9.981³ =
  10. 10.95³ =
  11. 11.1019³ =
  12. 12.1008³ =
  13. 13.1001³ =
  14. 14.94³ =
  15. 15.94³ =
  16. 16.998³ =
  17. 17.997³ =
  18. 18.982³ =
  19. 19.1008³ =
  20. 20.91³ =
  21. 21.101³ =
  22. 22.1014³ =
  23. 23.108³ =
  24. 24.993³ =
  25. 25.987³ =
  26. 26.1005³ =
  27. 27.1016³ =
  28. 28.92³ =
  29. 29.107³ =
  30. 30.989³ =
  31. 31.97³ =
  32. 32.992³ =
  33. 33.988³ =
  34. 34.997³ =
  35. 35.105³ =
  36. 36.109³ =
  37. 37.98³ =
  38. 38.93³ =
  39. 39.91³ =
  40. 40.999³ =

Answer key

  1. 973242271
  2. 778688
  3. 1048772096
  4. 1061208000
  5. 1042590744
  6. 1018108216
  7. 955671625
  8. 1225043
  9. 944076141
  10. 857375
  11. 1058089859
  12. 1024192512
  13. 1003003001
  14. 830584
  15. 830584
  16. 994011992
  17. 991026973
  18. 946966168
  19. 1024192512
  20. 753571
  21. 1030301
  22. 1042590744
  23. 1259712
  24. 979146657
  25. 961504803
  26. 1015075125
  27. 1048772096
  28. 778688
  29. 1225043
  30. 967361669
  31. 912673
  32. 976191488
  33. 964430272
  34. 991026973
  35. 1157625
  36. 1295029
  37. 941192
  38. 804357
  39. 753571
  40. 997002999

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