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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 655 · 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. 1.987³ =
  2. 2.109³ =
  3. 3.982³ =
  4. 4.105³ =
  5. 5.996³ =
  6. 6.981³ =
  7. 7.981³ =
  8. 8.1012³ =
  9. 9.988³ =
  10. 10.93³ =
  11. 11.98³ =
  12. 12.1017³ =
  13. 13.95³ =
  14. 14.99³ =
  15. 15.97³ =
  16. 16.996³ =
  17. 17.94³ =
  18. 18.98³ =
  19. 19.106³ =
  20. 20.1001³ =
  21. 21.980³ =
  22. 22.101³ =
  23. 23.101³ =
  24. 24.1010³ =
  25. 25.980³ =
  26. 26.989³ =
  27. 27.1005³ =
  28. 28.988³ =
  29. 29.92³ =
  30. 30.96³ =
  31. 31.95³ =
  32. 32.985³ =
  33. 33.94³ =
  34. 34.108³ =
  35. 35.1017³ =
  36. 36.105³ =
  37. 37.98³ =
  38. 38.1001³ =
  39. 39.1002³ =
  40. 40.107³ =

Answer key

  1. 961504803
  2. 1295029
  3. 946966168
  4. 1157625
  5. 988047936
  6. 944076141
  7. 944076141
  8. 1036433728
  9. 964430272
  10. 804357
  11. 941192
  12. 1051871913
  13. 857375
  14. 970299
  15. 912673
  16. 988047936
  17. 830584
  18. 941192
  19. 1191016
  20. 1003003001
  21. 941192000
  22. 1030301
  23. 1030301
  24. 1030301000
  25. 941192000
  26. 967361669
  27. 1015075125
  28. 964430272
  29. 778688
  30. 884736
  31. 857375
  32. 955671625
  33. 830584
  34. 1259712
  35. 1051871913
  36. 1157625
  37. 941192
  38. 1003003001
  39. 1006012008
  40. 1225043

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