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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 75 · 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. 1.1018³ =
  2. 2.997³ =
  3. 3.108³ =
  4. 4.1015³ =
  5. 5.1019³ =
  6. 6.96³ =
  7. 7.99³ =
  8. 8.1013³ =
  9. 9.1015³ =
  10. 10.989³ =
  11. 11.101³ =
  12. 12.1003³ =
  13. 13.92³ =
  14. 14.990³ =
  15. 15.97³ =
  16. 16.107³ =
  17. 17.999³ =
  18. 18.98³ =
  19. 19.91³ =
  20. 20.98³ =
  21. 21.109³ =
  22. 22.990³ =
  23. 23.1015³ =
  24. 24.109³ =
  25. 25.92³ =
  26. 26.992³ =
  27. 27.93³ =
  28. 28.97³ =
  29. 29.982³ =
  30. 30.99³ =
  31. 31.102³ =
  32. 32.1019³ =
  33. 33.102³ =
  34. 34.103³ =
  35. 35.96³ =
  36. 36.92³ =
  37. 37.91³ =
  38. 38.996³ =
  39. 39.107³ =
  40. 40.105³ =

Answer key

  1. 1054977832
  2. 991026973
  3. 1259712
  4. 1045678375
  5. 1058089859
  6. 884736
  7. 970299
  8. 1039509197
  9. 1045678375
  10. 967361669
  11. 1030301
  12. 1009027027
  13. 778688
  14. 970299000
  15. 912673
  16. 1225043
  17. 997002999
  18. 941192
  19. 753571
  20. 941192
  21. 1295029
  22. 970299000
  23. 1045678375
  24. 1295029
  25. 778688
  26. 976191488
  27. 804357
  28. 912673
  29. 946966168
  30. 970299
  31. 1061208
  32. 1058089859
  33. 1061208
  34. 1092727
  35. 884736
  36. 778688
  37. 753571
  38. 988047936
  39. 1225043
  40. 1157625

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