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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 506 · 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. 1.97³ =
  2. 2.107³ =
  3. 3.1006³ =
  4. 4.992³ =
  5. 5.101³ =
  6. 6.987³ =
  7. 7.1017³ =
  8. 8.91³ =
  9. 9.1011³ =
  10. 10.1012³ =
  11. 11.993³ =
  12. 12.95³ =
  13. 13.109³ =
  14. 14.981³ =
  15. 15.107³ =
  16. 16.95³ =
  17. 17.997³ =
  18. 18.109³ =
  19. 19.102³ =
  20. 20.98³ =
  21. 21.92³ =
  22. 22.105³ =
  23. 23.97³ =
  24. 24.95³ =
  25. 25.994³ =
  26. 26.994³ =
  27. 27.92³ =
  28. 28.994³ =
  29. 29.1001³ =
  30. 30.93³ =
  31. 31.984³ =
  32. 32.91³ =
  33. 33.98³ =
  34. 34.998³ =
  35. 35.103³ =
  36. 36.102³ =
  37. 37.106³ =
  38. 38.93³ =
  39. 39.1019³ =
  40. 40.1002³ =

Answer key

  1. 912673
  2. 1225043
  3. 1018108216
  4. 976191488
  5. 1030301
  6. 961504803
  7. 1051871913
  8. 753571
  9. 1033364331
  10. 1036433728
  11. 979146657
  12. 857375
  13. 1295029
  14. 944076141
  15. 1225043
  16. 857375
  17. 991026973
  18. 1295029
  19. 1061208
  20. 941192
  21. 778688
  22. 1157625
  23. 912673
  24. 857375
  25. 982107784
  26. 982107784
  27. 778688
  28. 982107784
  29. 1003003001
  30. 804357
  31. 952763904
  32. 753571
  33. 941192
  34. 994011992
  35. 1092727
  36. 1061208
  37. 1191016
  38. 804357
  39. 1058089859
  40. 1006012008

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