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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 487 · 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. 1.107³ =
  2. 2.989³ =
  3. 3.96³ =
  4. 4.101³ =
  5. 5.994³ =
  6. 6.102³ =
  7. 7.97³ =
  8. 8.105³ =
  9. 9.97³ =
  10. 10.1006³ =
  11. 11.91³ =
  12. 12.102³ =
  13. 13.107³ =
  14. 14.1010³ =
  15. 15.998³ =
  16. 16.983³ =
  17. 17.93³ =
  18. 18.999³ =
  19. 19.105³ =
  20. 20.101³ =
  21. 21.994³ =
  22. 22.108³ =
  23. 23.104³ =
  24. 24.1001³ =
  25. 25.988³ =
  26. 26.103³ =
  27. 27.990³ =
  28. 28.98³ =
  29. 29.108³ =
  30. 30.91³ =
  31. 31.998³ =
  32. 32.95³ =
  33. 33.106³ =
  34. 34.1011³ =
  35. 35.988³ =
  36. 36.102³ =
  37. 37.99³ =
  38. 38.95³ =
  39. 39.1015³ =
  40. 40.1003³ =

Answer key

  1. 1225043
  2. 967361669
  3. 884736
  4. 1030301
  5. 982107784
  6. 1061208
  7. 912673
  8. 1157625
  9. 912673
  10. 1018108216
  11. 753571
  12. 1061208
  13. 1225043
  14. 1030301000
  15. 994011992
  16. 949862087
  17. 804357
  18. 997002999
  19. 1157625
  20. 1030301
  21. 982107784
  22. 1259712
  23. 1124864
  24. 1003003001
  25. 964430272
  26. 1092727
  27. 970299000
  28. 941192
  29. 1259712
  30. 753571
  31. 994011992
  32. 857375
  33. 1191016
  34. 1033364331
  35. 964430272
  36. 1061208
  37. 970299
  38. 857375
  39. 1045678375
  40. 1009027027

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