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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 233 · 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. 1.109³ =
  2. 2.93³ =
  3. 3.1001³ =
  4. 4.91³ =
  5. 5.103³ =
  6. 6.91³ =
  7. 7.983³ =
  8. 8.1006³ =
  9. 9.984³ =
  10. 10.92³ =
  11. 11.97³ =
  12. 12.1020³ =
  13. 13.981³ =
  14. 14.997³ =
  15. 15.96³ =
  16. 16.987³ =
  17. 17.107³ =
  18. 18.1001³ =
  19. 19.992³ =
  20. 20.980³ =
  21. 21.995³ =
  22. 22.1004³ =
  23. 23.1015³ =
  24. 24.107³ =
  25. 25.92³ =
  26. 26.1002³ =
  27. 27.106³ =
  28. 28.95³ =
  29. 29.102³ =
  30. 30.105³ =
  31. 31.98³ =
  32. 32.103³ =
  33. 33.91³ =
  34. 34.93³ =
  35. 35.93³ =
  36. 36.94³ =
  37. 37.988³ =
  38. 38.986³ =
  39. 39.992³ =
  40. 40.995³ =

Answer key

  1. 1295029
  2. 804357
  3. 1003003001
  4. 753571
  5. 1092727
  6. 753571
  7. 949862087
  8. 1018108216
  9. 952763904
  10. 778688
  11. 912673
  12. 1061208000
  13. 944076141
  14. 991026973
  15. 884736
  16. 961504803
  17. 1225043
  18. 1003003001
  19. 976191488
  20. 941192000
  21. 985074875
  22. 1012048064
  23. 1045678375
  24. 1225043
  25. 778688
  26. 1006012008
  27. 1191016
  28. 857375
  29. 1061208
  30. 1157625
  31. 941192
  32. 1092727
  33. 753571
  34. 804357
  35. 804357
  36. 830584
  37. 964430272
  38. 958585256
  39. 976191488
  40. 985074875

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