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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 298 · 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. 1.1015³ =
  2. 2.103³ =
  3. 3.980³ =
  4. 4.107³ =
  5. 5.94³ =
  6. 6.107³ =
  7. 7.101³ =
  8. 8.96³ =
  9. 9.105³ =
  10. 10.1011³ =
  11. 11.96³ =
  12. 12.994³ =
  13. 13.1003³ =
  14. 14.1006³ =
  15. 15.1004³ =
  16. 16.1003³ =
  17. 17.101³ =
  18. 18.992³ =
  19. 19.1001³ =
  20. 20.95³ =
  21. 21.109³ =
  22. 22.999³ =
  23. 23.980³ =
  24. 24.989³ =
  25. 25.98³ =
  26. 26.94³ =
  27. 27.96³ =
  28. 28.94³ =
  29. 29.96³ =
  30. 30.101³ =
  31. 31.108³ =
  32. 32.102³ =
  33. 33.997³ =
  34. 34.97³ =
  35. 35.980³ =
  36. 36.992³ =
  37. 37.105³ =
  38. 38.99³ =
  39. 39.985³ =
  40. 40.98³ =

Answer key

  1. 1045678375
  2. 1092727
  3. 941192000
  4. 1225043
  5. 830584
  6. 1225043
  7. 1030301
  8. 884736
  9. 1157625
  10. 1033364331
  11. 884736
  12. 982107784
  13. 1009027027
  14. 1018108216
  15. 1012048064
  16. 1009027027
  17. 1030301
  18. 976191488
  19. 1003003001
  20. 857375
  21. 1295029
  22. 997002999
  23. 941192000
  24. 967361669
  25. 941192
  26. 830584
  27. 884736
  28. 830584
  29. 884736
  30. 1030301
  31. 1259712
  32. 1061208
  33. 991026973
  34. 912673
  35. 941192000
  36. 976191488
  37. 1157625
  38. 970299
  39. 955671625
  40. 941192

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