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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 388 · 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. 1.107³ =
  2. 2.97³ =
  3. 3.992³ =
  4. 4.93³ =
  5. 5.97³ =
  6. 6.986³ =
  7. 7.998³ =
  8. 8.106³ =
  9. 9.1020³ =
  10. 10.99³ =
  11. 11.1017³ =
  12. 12.109³ =
  13. 13.91³ =
  14. 14.105³ =
  15. 15.983³ =
  16. 16.996³ =
  17. 17.102³ =
  18. 18.107³ =
  19. 19.103³ =
  20. 20.994³ =
  21. 21.93³ =
  22. 22.93³ =
  23. 23.91³ =
  24. 24.91³ =
  25. 25.1009³ =
  26. 26.1015³ =
  27. 27.993³ =
  28. 28.93³ =
  29. 29.981³ =
  30. 30.99³ =
  31. 31.1006³ =
  32. 32.980³ =
  33. 33.1009³ =
  34. 34.1019³ =
  35. 35.96³ =
  36. 36.104³ =
  37. 37.101³ =
  38. 38.1015³ =
  39. 39.97³ =
  40. 40.105³ =

Answer key

  1. 1225043
  2. 912673
  3. 976191488
  4. 804357
  5. 912673
  6. 958585256
  7. 994011992
  8. 1191016
  9. 1061208000
  10. 970299
  11. 1051871913
  12. 1295029
  13. 753571
  14. 1157625
  15. 949862087
  16. 988047936
  17. 1061208
  18. 1225043
  19. 1092727
  20. 982107784
  21. 804357
  22. 804357
  23. 753571
  24. 753571
  25. 1027243729
  26. 1045678375
  27. 979146657
  28. 804357
  29. 944076141
  30. 970299
  31. 1018108216
  32. 941192000
  33. 1027243729
  34. 1058089859
  35. 884736
  36. 1124864
  37. 1030301
  38. 1045678375
  39. 912673
  40. 1157625

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