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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 694 · 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. 1.96³ =
  2. 2.108³ =
  3. 3.983³ =
  4. 4.999³ =
  5. 5.1009³ =
  6. 6.987³ =
  7. 7.989³ =
  8. 8.1003³ =
  9. 9.1010³ =
  10. 10.103³ =
  11. 11.980³ =
  12. 12.997³ =
  13. 13.1009³ =
  14. 14.1005³ =
  15. 15.94³ =
  16. 16.107³ =
  17. 17.91³ =
  18. 18.101³ =
  19. 19.991³ =
  20. 20.106³ =
  21. 21.94³ =
  22. 22.95³ =
  23. 23.105³ =
  24. 24.101³ =
  25. 25.91³ =
  26. 26.994³ =
  27. 27.93³ =
  28. 28.93³ =
  29. 29.92³ =
  30. 30.999³ =
  31. 31.1010³ =
  32. 32.988³ =
  33. 33.109³ =
  34. 34.96³ =
  35. 35.1010³ =
  36. 36.101³ =
  37. 37.94³ =
  38. 38.996³ =
  39. 39.102³ =
  40. 40.94³ =

Answer key

  1. 884736
  2. 1259712
  3. 949862087
  4. 997002999
  5. 1027243729
  6. 961504803
  7. 967361669
  8. 1009027027
  9. 1030301000
  10. 1092727
  11. 941192000
  12. 991026973
  13. 1027243729
  14. 1015075125
  15. 830584
  16. 1225043
  17. 753571
  18. 1030301
  19. 973242271
  20. 1191016
  21. 830584
  22. 857375
  23. 1157625
  24. 1030301
  25. 753571
  26. 982107784
  27. 804357
  28. 804357
  29. 778688
  30. 997002999
  31. 1030301000
  32. 964430272
  33. 1295029
  34. 884736
  35. 1030301000
  36. 1030301
  37. 830584
  38. 988047936
  39. 1061208
  40. 830584

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