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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 415 · 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. 1.995³ =
  2. 2.983³ =
  3. 3.987³ =
  4. 4.997³ =
  5. 5.985³ =
  6. 6.996³ =
  7. 7.98³ =
  8. 8.989³ =
  9. 9.997³ =
  10. 10.95³ =
  11. 11.987³ =
  12. 12.93³ =
  13. 13.986³ =
  14. 14.91³ =
  15. 15.108³ =
  16. 16.95³ =
  17. 17.992³ =
  18. 18.102³ =
  19. 19.93³ =
  20. 20.1002³ =
  21. 21.981³ =
  22. 22.93³ =
  23. 23.991³ =
  24. 24.97³ =
  25. 25.94³ =
  26. 26.95³ =
  27. 27.92³ =
  28. 28.108³ =
  29. 29.95³ =
  30. 30.1017³ =
  31. 31.996³ =
  32. 32.1003³ =
  33. 33.1007³ =
  34. 34.986³ =
  35. 35.94³ =
  36. 36.102³ =
  37. 37.103³ =
  38. 38.1019³ =
  39. 39.983³ =
  40. 40.997³ =

Answer key

  1. 985074875
  2. 949862087
  3. 961504803
  4. 991026973
  5. 955671625
  6. 988047936
  7. 941192
  8. 967361669
  9. 991026973
  10. 857375
  11. 961504803
  12. 804357
  13. 958585256
  14. 753571
  15. 1259712
  16. 857375
  17. 976191488
  18. 1061208
  19. 804357
  20. 1006012008
  21. 944076141
  22. 804357
  23. 973242271
  24. 912673
  25. 830584
  26. 857375
  27. 778688
  28. 1259712
  29. 857375
  30. 1051871913
  31. 988047936
  32. 1009027027
  33. 1021147343
  34. 958585256
  35. 830584
  36. 1061208
  37. 1092727
  38. 1058089859
  39. 949862087
  40. 991026973

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