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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 382 · 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. 1.93³ =
  2. 2.1012³ =
  3. 3.98³ =
  4. 4.104³ =
  5. 5.991³ =
  6. 6.999³ =
  7. 7.94³ =
  8. 8.105³ =
  9. 9.990³ =
  10. 10.97³ =
  11. 11.980³ =
  12. 12.1001³ =
  13. 13.101³ =
  14. 14.105³ =
  15. 15.998³ =
  16. 16.98³ =
  17. 17.108³ =
  18. 18.92³ =
  19. 19.1004³ =
  20. 20.1004³ =
  21. 21.1011³ =
  22. 22.97³ =
  23. 23.992³ =
  24. 24.96³ =
  25. 25.1005³ =
  26. 26.994³ =
  27. 27.92³ =
  28. 28.94³ =
  29. 29.95³ =
  30. 30.102³ =
  31. 31.1007³ =
  32. 32.1007³ =
  33. 33.93³ =
  34. 34.982³ =
  35. 35.103³ =
  36. 36.91³ =
  37. 37.983³ =
  38. 38.985³ =
  39. 39.103³ =
  40. 40.102³ =

Answer key

  1. 804357
  2. 1036433728
  3. 941192
  4. 1124864
  5. 973242271
  6. 997002999
  7. 830584
  8. 1157625
  9. 970299000
  10. 912673
  11. 941192000
  12. 1003003001
  13. 1030301
  14. 1157625
  15. 994011992
  16. 941192
  17. 1259712
  18. 778688
  19. 1012048064
  20. 1012048064
  21. 1033364331
  22. 912673
  23. 976191488
  24. 884736
  25. 1015075125
  26. 982107784
  27. 778688
  28. 830584
  29. 857375
  30. 1061208
  31. 1021147343
  32. 1021147343
  33. 804357
  34. 946966168
  35. 1092727
  36. 753571
  37. 949862087
  38. 955671625
  39. 1092727
  40. 1061208

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