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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 726 · 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. 1.98³ =
  2. 2.97³ =
  3. 3.109³ =
  4. 4.93³ =
  5. 5.981³ =
  6. 6.95³ =
  7. 7.991³ =
  8. 8.99³ =
  9. 9.1020³ =
  10. 10.92³ =
  11. 11.91³ =
  12. 12.107³ =
  13. 13.1015³ =
  14. 14.109³ =
  15. 15.106³ =
  16. 16.104³ =
  17. 17.102³ =
  18. 18.94³ =
  19. 19.991³ =
  20. 20.91³ =
  21. 21.993³ =
  22. 22.95³ =
  23. 23.105³ =
  24. 24.96³ =
  25. 25.990³ =
  26. 26.96³ =
  27. 27.1005³ =
  28. 28.1012³ =
  29. 29.93³ =
  30. 30.104³ =
  31. 31.983³ =
  32. 32.101³ =
  33. 33.990³ =
  34. 34.95³ =
  35. 35.981³ =
  36. 36.1009³ =
  37. 37.999³ =
  38. 38.998³ =
  39. 39.99³ =
  40. 40.96³ =

Answer key

  1. 941192
  2. 912673
  3. 1295029
  4. 804357
  5. 944076141
  6. 857375
  7. 973242271
  8. 970299
  9. 1061208000
  10. 778688
  11. 753571
  12. 1225043
  13. 1045678375
  14. 1295029
  15. 1191016
  16. 1124864
  17. 1061208
  18. 830584
  19. 973242271
  20. 753571
  21. 979146657
  22. 857375
  23. 1157625
  24. 884736
  25. 970299000
  26. 884736
  27. 1015075125
  28. 1036433728
  29. 804357
  30. 1124864
  31. 949862087
  32. 1030301
  33. 970299000
  34. 857375
  35. 944076141
  36. 1027243729
  37. 997002999
  38. 994011992
  39. 970299
  40. 884736

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