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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 988 · 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. 2.99³ =
  3. 3.103³ =
  4. 4.1009³ =
  5. 5.1004³ =
  6. 6.1010³ =
  7. 7.96³ =
  8. 8.1006³ =
  9. 9.103³ =
  10. 10.109³ =
  11. 11.98³ =
  12. 12.993³ =
  13. 13.988³ =
  14. 14.102³ =
  15. 15.989³ =
  16. 16.92³ =
  17. 17.998³ =
  18. 18.109³ =
  19. 19.107³ =
  20. 20.103³ =
  21. 21.1005³ =
  22. 22.1015³ =
  23. 23.105³ =
  24. 24.102³ =
  25. 25.93³ =
  26. 26.999³ =
  27. 27.1005³ =
  28. 28.106³ =
  29. 29.990³ =
  30. 30.109³ =
  31. 31.983³ =
  32. 32.1014³ =
  33. 33.987³ =
  34. 34.980³ =
  35. 35.994³ =
  36. 36.995³ =
  37. 37.97³ =
  38. 38.95³ =
  39. 39.108³ =
  40. 40.98³ =

Answer key

  1. 970299
  2. 970299
  3. 1092727
  4. 1027243729
  5. 1012048064
  6. 1030301000
  7. 884736
  8. 1018108216
  9. 1092727
  10. 1295029
  11. 941192
  12. 979146657
  13. 964430272
  14. 1061208
  15. 967361669
  16. 778688
  17. 994011992
  18. 1295029
  19. 1225043
  20. 1092727
  21. 1015075125
  22. 1045678375
  23. 1157625
  24. 1061208
  25. 804357
  26. 997002999
  27. 1015075125
  28. 1191016
  29. 970299000
  30. 1295029
  31. 949862087
  32. 1042590744
  33. 961504803
  34. 941192000
  35. 982107784
  36. 985074875
  37. 912673
  38. 857375
  39. 1259712
  40. 941192

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