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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 246 · 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. 1.99³ =
  2. 2.101³ =
  3. 3.985³ =
  4. 4.989³ =
  5. 5.985³ =
  6. 6.1016³ =
  7. 7.99³ =
  8. 8.95³ =
  9. 9.983³ =
  10. 10.105³ =
  11. 11.999³ =
  12. 12.1005³ =
  13. 13.990³ =
  14. 14.1020³ =
  15. 15.1003³ =
  16. 16.996³ =
  17. 17.105³ =
  18. 18.102³ =
  19. 19.1016³ =
  20. 20.1015³ =
  21. 21.96³ =
  22. 22.989³ =
  23. 23.991³ =
  24. 24.104³ =
  25. 25.97³ =
  26. 26.101³ =
  27. 27.106³ =
  28. 28.104³ =
  29. 29.106³ =
  30. 30.104³ =
  31. 31.99³ =
  32. 32.1002³ =
  33. 33.97³ =
  34. 34.96³ =
  35. 35.1001³ =
  36. 36.996³ =
  37. 37.1005³ =
  38. 38.1018³ =
  39. 39.982³ =
  40. 40.993³ =

Answer key

  1. 970299
  2. 1030301
  3. 955671625
  4. 967361669
  5. 955671625
  6. 1048772096
  7. 970299
  8. 857375
  9. 949862087
  10. 1157625
  11. 997002999
  12. 1015075125
  13. 970299000
  14. 1061208000
  15. 1009027027
  16. 988047936
  17. 1157625
  18. 1061208
  19. 1048772096
  20. 1045678375
  21. 884736
  22. 967361669
  23. 973242271
  24. 1124864
  25. 912673
  26. 1030301
  27. 1191016
  28. 1124864
  29. 1191016
  30. 1124864
  31. 970299
  32. 1006012008
  33. 912673
  34. 884736
  35. 1003003001
  36. 988047936
  37. 1015075125
  38. 1054977832
  39. 946966168
  40. 979146657

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