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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 371 · 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. 1.98³ =
  2. 2.97³ =
  3. 3.990³ =
  4. 4.95³ =
  5. 5.999³ =
  6. 6.1002³ =
  7. 7.981³ =
  8. 8.99³ =
  9. 9.92³ =
  10. 10.99³ =
  11. 11.1013³ =
  12. 12.1015³ =
  13. 13.985³ =
  14. 14.1006³ =
  15. 15.1006³ =
  16. 16.989³ =
  17. 17.980³ =
  18. 18.98³ =
  19. 19.97³ =
  20. 20.101³ =
  21. 21.98³ =
  22. 22.1011³ =
  23. 23.103³ =
  24. 24.996³ =
  25. 25.996³ =
  26. 26.1005³ =
  27. 27.91³ =
  28. 28.102³ =
  29. 29.989³ =
  30. 30.95³ =
  31. 31.94³ =
  32. 32.98³ =
  33. 33.1014³ =
  34. 34.94³ =
  35. 35.999³ =
  36. 36.108³ =
  37. 37.105³ =
  38. 38.93³ =
  39. 39.101³ =
  40. 40.1013³ =

Answer key

  1. 941192
  2. 912673
  3. 970299000
  4. 857375
  5. 997002999
  6. 1006012008
  7. 944076141
  8. 970299
  9. 778688
  10. 970299
  11. 1039509197
  12. 1045678375
  13. 955671625
  14. 1018108216
  15. 1018108216
  16. 967361669
  17. 941192000
  18. 941192
  19. 912673
  20. 1030301
  21. 941192
  22. 1033364331
  23. 1092727
  24. 988047936
  25. 988047936
  26. 1015075125
  27. 753571
  28. 1061208
  29. 967361669
  30. 857375
  31. 830584
  32. 941192
  33. 1042590744
  34. 830584
  35. 997002999
  36. 1259712
  37. 1157625
  38. 804357
  39. 1030301
  40. 1039509197

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