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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 150 · 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. 1.109³ =
  2. 2.1001³ =
  3. 3.98³ =
  4. 4.102³ =
  5. 5.1010³ =
  6. 6.95³ =
  7. 7.1015³ =
  8. 8.93³ =
  9. 9.95³ =
  10. 10.996³ =
  11. 11.92³ =
  12. 12.994³ =
  13. 13.92³ =
  14. 14.101³ =
  15. 15.101³ =
  16. 16.94³ =
  17. 17.103³ =
  18. 18.98³ =
  19. 19.98³ =
  20. 20.102³ =
  21. 21.102³ =
  22. 22.97³ =
  23. 23.97³ =
  24. 24.94³ =
  25. 25.103³ =
  26. 26.101³ =
  27. 27.1008³ =
  28. 28.105³ =
  29. 29.109³ =
  30. 30.92³ =
  31. 31.95³ =
  32. 32.998³ =
  33. 33.1005³ =
  34. 34.106³ =
  35. 35.95³ =
  36. 36.983³ =
  37. 37.987³ =
  38. 38.990³ =
  39. 39.98³ =
  40. 40.97³ =

Answer key

  1. 1295029
  2. 1003003001
  3. 941192
  4. 1061208
  5. 1030301000
  6. 857375
  7. 1045678375
  8. 804357
  9. 857375
  10. 988047936
  11. 778688
  12. 982107784
  13. 778688
  14. 1030301
  15. 1030301
  16. 830584
  17. 1092727
  18. 941192
  19. 941192
  20. 1061208
  21. 1061208
  22. 912673
  23. 912673
  24. 830584
  25. 1092727
  26. 1030301
  27. 1024192512
  28. 1157625
  29. 1295029
  30. 778688
  31. 857375
  32. 994011992
  33. 1015075125
  34. 1191016
  35. 857375
  36. 949862087
  37. 961504803
  38. 970299000
  39. 941192
  40. 912673

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