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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 375 · 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. 1.1004³ =
  2. 2.1008³ =
  3. 3.984³ =
  4. 4.94³ =
  5. 5.92³ =
  6. 6.107³ =
  7. 7.91³ =
  8. 8.1015³ =
  9. 9.980³ =
  10. 10.102³ =
  11. 11.92³ =
  12. 12.96³ =
  13. 13.1005³ =
  14. 14.1019³ =
  15. 15.105³ =
  16. 16.995³ =
  17. 17.1009³ =
  18. 18.95³ =
  19. 19.99³ =
  20. 20.99³ =
  21. 21.106³ =
  22. 22.109³ =
  23. 23.94³ =
  24. 24.986³ =
  25. 25.996³ =
  26. 26.92³ =
  27. 27.1018³ =
  28. 28.1005³ =
  29. 29.1009³ =
  30. 30.91³ =
  31. 31.99³ =
  32. 32.1009³ =
  33. 33.1019³ =
  34. 34.92³ =
  35. 35.994³ =
  36. 36.99³ =
  37. 37.1019³ =
  38. 38.99³ =
  39. 39.107³ =
  40. 40.91³ =

Answer key

  1. 1012048064
  2. 1024192512
  3. 952763904
  4. 830584
  5. 778688
  6. 1225043
  7. 753571
  8. 1045678375
  9. 941192000
  10. 1061208
  11. 778688
  12. 884736
  13. 1015075125
  14. 1058089859
  15. 1157625
  16. 985074875
  17. 1027243729
  18. 857375
  19. 970299
  20. 970299
  21. 1191016
  22. 1295029
  23. 830584
  24. 958585256
  25. 988047936
  26. 778688
  27. 1054977832
  28. 1015075125
  29. 1027243729
  30. 753571
  31. 970299
  32. 1027243729
  33. 1058089859
  34. 778688
  35. 982107784
  36. 970299
  37. 1058089859
  38. 970299
  39. 1225043
  40. 753571

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