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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 567 · 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. 1.988³ =
  2. 2.108³ =
  3. 3.988³ =
  4. 4.986³ =
  5. 5.991³ =
  6. 6.108³ =
  7. 7.108³ =
  8. 8.109³ =
  9. 9.99³ =
  10. 10.1020³ =
  11. 11.982³ =
  12. 12.1014³ =
  13. 13.101³ =
  14. 14.985³ =
  15. 15.1002³ =
  16. 16.1019³ =
  17. 17.991³ =
  18. 18.107³ =
  19. 19.95³ =
  20. 20.105³ =
  21. 21.97³ =
  22. 22.1017³ =
  23. 23.102³ =
  24. 24.986³ =
  25. 25.986³ =
  26. 26.1018³ =
  27. 27.981³ =
  28. 28.996³ =
  29. 29.981³ =
  30. 30.98³ =
  31. 31.94³ =
  32. 32.1003³ =
  33. 33.983³ =
  34. 34.108³ =
  35. 35.991³ =
  36. 36.99³ =
  37. 37.93³ =
  38. 38.98³ =
  39. 39.95³ =
  40. 40.98³ =

Answer key

  1. 964430272
  2. 1259712
  3. 964430272
  4. 958585256
  5. 973242271
  6. 1259712
  7. 1259712
  8. 1295029
  9. 970299
  10. 1061208000
  11. 946966168
  12. 1042590744
  13. 1030301
  14. 955671625
  15. 1006012008
  16. 1058089859
  17. 973242271
  18. 1225043
  19. 857375
  20. 1157625
  21. 912673
  22. 1051871913
  23. 1061208
  24. 958585256
  25. 958585256
  26. 1054977832
  27. 944076141
  28. 988047936
  29. 944076141
  30. 941192
  31. 830584
  32. 1009027027
  33. 949862087
  34. 1259712
  35. 973242271
  36. 970299
  37. 804357
  38. 941192
  39. 857375
  40. 941192

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