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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 623 · 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. 1.102³ =
  2. 2.1001³ =
  3. 3.105³ =
  4. 4.94³ =
  5. 5.99³ =
  6. 6.96³ =
  7. 7.94³ =
  8. 8.108³ =
  9. 9.1009³ =
  10. 10.97³ =
  11. 11.995³ =
  12. 12.102³ =
  13. 13.99³ =
  14. 14.99³ =
  15. 15.985³ =
  16. 16.97³ =
  17. 17.101³ =
  18. 18.97³ =
  19. 19.107³ =
  20. 20.1014³ =
  21. 21.1005³ =
  22. 22.985³ =
  23. 23.93³ =
  24. 24.983³ =
  25. 25.92³ =
  26. 26.998³ =
  27. 27.1001³ =
  28. 28.105³ =
  29. 29.107³ =
  30. 30.98³ =
  31. 31.1010³ =
  32. 32.103³ =
  33. 33.1015³ =
  34. 34.96³ =
  35. 35.1010³ =
  36. 36.109³ =
  37. 37.105³ =
  38. 38.109³ =
  39. 39.987³ =
  40. 40.992³ =

Answer key

  1. 1061208
  2. 1003003001
  3. 1157625
  4. 830584
  5. 970299
  6. 884736
  7. 830584
  8. 1259712
  9. 1027243729
  10. 912673
  11. 985074875
  12. 1061208
  13. 970299
  14. 970299
  15. 955671625
  16. 912673
  17. 1030301
  18. 912673
  19. 1225043
  20. 1042590744
  21. 1015075125
  22. 955671625
  23. 804357
  24. 949862087
  25. 778688
  26. 994011992
  27. 1003003001
  28. 1157625
  29. 1225043
  30. 941192
  31. 1030301000
  32. 1092727
  33. 1045678375
  34. 884736
  35. 1030301000
  36. 1295029
  37. 1157625
  38. 1295029
  39. 961504803
  40. 976191488

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