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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 129 · 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. 2.1016³ =
  3. 3.101³ =
  4. 4.991³ =
  5. 5.108³ =
  6. 6.105³ =
  7. 7.1019³ =
  8. 8.92³ =
  9. 9.986³ =
  10. 10.1009³ =
  11. 11.996³ =
  12. 12.1005³ =
  13. 13.983³ =
  14. 14.91³ =
  15. 15.982³ =
  16. 16.92³ =
  17. 17.102³ =
  18. 18.91³ =
  19. 19.91³ =
  20. 20.97³ =
  21. 21.91³ =
  22. 22.106³ =
  23. 23.106³ =
  24. 24.105³ =
  25. 25.104³ =
  26. 26.105³ =
  27. 27.95³ =
  28. 28.991³ =
  29. 29.95³ =
  30. 30.91³ =
  31. 31.1008³ =
  32. 32.102³ =
  33. 33.97³ =
  34. 34.983³ =
  35. 35.95³ =
  36. 36.109³ =
  37. 37.103³ =
  38. 38.108³ =
  39. 39.97³ =
  40. 40.91³ =

Answer key

  1. 1295029
  2. 1048772096
  3. 1030301
  4. 973242271
  5. 1259712
  6. 1157625
  7. 1058089859
  8. 778688
  9. 958585256
  10. 1027243729
  11. 988047936
  12. 1015075125
  13. 949862087
  14. 753571
  15. 946966168
  16. 778688
  17. 1061208
  18. 753571
  19. 753571
  20. 912673
  21. 753571
  22. 1191016
  23. 1191016
  24. 1157625
  25. 1124864
  26. 1157625
  27. 857375
  28. 973242271
  29. 857375
  30. 753571
  31. 1024192512
  32. 1061208
  33. 912673
  34. 949862087
  35. 857375
  36. 1295029
  37. 1092727
  38. 1259712
  39. 912673
  40. 753571

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