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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 402 · 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. 1.101³ =
  2. 2.107³ =
  3. 3.999³ =
  4. 4.986³ =
  5. 5.994³ =
  6. 6.1003³ =
  7. 7.99³ =
  8. 8.998³ =
  9. 9.97³ =
  10. 10.985³ =
  11. 11.103³ =
  12. 12.1008³ =
  13. 13.108³ =
  14. 14.1011³ =
  15. 15.96³ =
  16. 16.95³ =
  17. 17.91³ =
  18. 18.99³ =
  19. 19.103³ =
  20. 20.93³ =
  21. 21.91³ =
  22. 22.92³ =
  23. 23.1006³ =
  24. 24.1001³ =
  25. 25.98³ =
  26. 26.994³ =
  27. 27.1006³ =
  28. 28.991³ =
  29. 29.997³ =
  30. 30.1002³ =
  31. 31.1017³ =
  32. 32.1015³ =
  33. 33.996³ =
  34. 34.106³ =
  35. 35.985³ =
  36. 36.107³ =
  37. 37.982³ =
  38. 38.103³ =
  39. 39.99³ =
  40. 40.996³ =

Answer key

  1. 1030301
  2. 1225043
  3. 997002999
  4. 958585256
  5. 982107784
  6. 1009027027
  7. 970299
  8. 994011992
  9. 912673
  10. 955671625
  11. 1092727
  12. 1024192512
  13. 1259712
  14. 1033364331
  15. 884736
  16. 857375
  17. 753571
  18. 970299
  19. 1092727
  20. 804357
  21. 753571
  22. 778688
  23. 1018108216
  24. 1003003001
  25. 941192
  26. 982107784
  27. 1018108216
  28. 973242271
  29. 991026973
  30. 1006012008
  31. 1051871913
  32. 1045678375
  33. 988047936
  34. 1191016
  35. 955671625
  36. 1225043
  37. 946966168
  38. 1092727
  39. 970299
  40. 988047936

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