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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 456 · 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. 2.91³ =
  3. 3.989³ =
  4. 4.95³ =
  5. 5.99³ =
  6. 6.92³ =
  7. 7.995³ =
  8. 8.992³ =
  9. 9.1012³ =
  10. 10.1001³ =
  11. 11.93³ =
  12. 12.97³ =
  13. 13.99³ =
  14. 14.996³ =
  15. 15.94³ =
  16. 16.999³ =
  17. 17.1019³ =
  18. 18.101³ =
  19. 19.1012³ =
  20. 20.109³ =
  21. 21.999³ =
  22. 22.105³ =
  23. 23.1020³ =
  24. 24.1012³ =
  25. 25.986³ =
  26. 26.101³ =
  27. 27.983³ =
  28. 28.991³ =
  29. 29.99³ =
  30. 30.106³ =
  31. 31.1009³ =
  32. 32.107³ =
  33. 33.106³ =
  34. 34.91³ =
  35. 35.94³ =
  36. 36.95³ =
  37. 37.97³ =
  38. 38.1010³ =
  39. 39.96³ =
  40. 40.992³ =

Answer key

  1. 973242271
  2. 753571
  3. 967361669
  4. 857375
  5. 970299
  6. 778688
  7. 985074875
  8. 976191488
  9. 1036433728
  10. 1003003001
  11. 804357
  12. 912673
  13. 970299
  14. 988047936
  15. 830584
  16. 997002999
  17. 1058089859
  18. 1030301
  19. 1036433728
  20. 1295029
  21. 997002999
  22. 1157625
  23. 1061208000
  24. 1036433728
  25. 958585256
  26. 1030301
  27. 949862087
  28. 973242271
  29. 970299
  30. 1191016
  31. 1027243729
  32. 1225043
  33. 1191016
  34. 753571
  35. 830584
  36. 857375
  37. 912673
  38. 1030301000
  39. 884736
  40. 976191488

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