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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 40 · 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. 1.1003³ =
  2. 2.1001³ =
  3. 3.982³ =
  4. 4.990³ =
  5. 5.98³ =
  6. 6.95³ =
  7. 7.106³ =
  8. 8.984³ =
  9. 9.104³ =
  10. 10.101³ =
  11. 11.1005³ =
  12. 12.106³ =
  13. 13.1006³ =
  14. 14.1010³ =
  15. 15.1015³ =
  16. 16.998³ =
  17. 17.992³ =
  18. 18.1019³ =
  19. 19.990³ =
  20. 20.1012³ =
  21. 21.97³ =
  22. 22.990³ =
  23. 23.987³ =
  24. 24.99³ =
  25. 25.1004³ =
  26. 26.997³ =
  27. 27.982³ =
  28. 28.95³ =
  29. 29.98³ =
  30. 30.92³ =
  31. 31.93³ =
  32. 32.988³ =
  33. 33.102³ =
  34. 34.984³ =
  35. 35.998³ =
  36. 36.102³ =
  37. 37.999³ =
  38. 38.106³ =
  39. 39.985³ =
  40. 40.105³ =

Answer key

  1. 1009027027
  2. 1003003001
  3. 946966168
  4. 970299000
  5. 941192
  6. 857375
  7. 1191016
  8. 952763904
  9. 1124864
  10. 1030301
  11. 1015075125
  12. 1191016
  13. 1018108216
  14. 1030301000
  15. 1045678375
  16. 994011992
  17. 976191488
  18. 1058089859
  19. 970299000
  20. 1036433728
  21. 912673
  22. 970299000
  23. 961504803
  24. 970299
  25. 1012048064
  26. 991026973
  27. 946966168
  28. 857375
  29. 941192
  30. 778688
  31. 804357
  32. 964430272
  33. 1061208
  34. 952763904
  35. 994011992
  36. 1061208
  37. 997002999
  38. 1191016
  39. 955671625
  40. 1157625

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