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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 286 · 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. 1.996³ =
  2. 2.98³ =
  3. 3.1012³ =
  4. 4.103³ =
  5. 5.989³ =
  6. 6.1007³ =
  7. 7.98³ =
  8. 8.103³ =
  9. 9.94³ =
  10. 10.94³ =
  11. 11.91³ =
  12. 12.98³ =
  13. 13.94³ =
  14. 14.1002³ =
  15. 15.103³ =
  16. 16.1004³ =
  17. 17.98³ =
  18. 18.92³ =
  19. 19.101³ =
  20. 20.107³ =
  21. 21.1015³ =
  22. 22.1017³ =
  23. 23.981³ =
  24. 24.1018³ =
  25. 25.99³ =
  26. 26.97³ =
  27. 27.109³ =
  28. 28.983³ =
  29. 29.1019³ =
  30. 30.106³ =
  31. 31.102³ =
  32. 32.95³ =
  33. 33.107³ =
  34. 34.107³ =
  35. 35.981³ =
  36. 36.108³ =
  37. 37.1009³ =
  38. 38.108³ =
  39. 39.1003³ =
  40. 40.102³ =

Answer key

  1. 988047936
  2. 941192
  3. 1036433728
  4. 1092727
  5. 967361669
  6. 1021147343
  7. 941192
  8. 1092727
  9. 830584
  10. 830584
  11. 753571
  12. 941192
  13. 830584
  14. 1006012008
  15. 1092727
  16. 1012048064
  17. 941192
  18. 778688
  19. 1030301
  20. 1225043
  21. 1045678375
  22. 1051871913
  23. 944076141
  24. 1054977832
  25. 970299
  26. 912673
  27. 1295029
  28. 949862087
  29. 1058089859
  30. 1191016
  31. 1061208
  32. 857375
  33. 1225043
  34. 1225043
  35. 944076141
  36. 1259712
  37. 1027243729
  38. 1259712
  39. 1009027027
  40. 1061208

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