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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 71 · 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. 1.102³ =
  2. 2.106³ =
  3. 3.96³ =
  4. 4.105³ =
  5. 5.1005³ =
  6. 6.97³ =
  7. 7.988³ =
  8. 8.1002³ =
  9. 9.99³ =
  10. 10.982³ =
  11. 11.108³ =
  12. 12.1017³ =
  13. 13.93³ =
  14. 14.104³ =
  15. 15.1004³ =
  16. 16.108³ =
  17. 17.109³ =
  18. 18.1001³ =
  19. 19.985³ =
  20. 20.102³ =
  21. 21.93³ =
  22. 22.103³ =
  23. 23.103³ =
  24. 24.92³ =
  25. 25.101³ =
  26. 26.97³ =
  27. 27.1006³ =
  28. 28.1003³ =
  29. 29.95³ =
  30. 30.993³ =
  31. 31.1007³ =
  32. 32.102³ =
  33. 33.1020³ =
  34. 34.103³ =
  35. 35.1002³ =
  36. 36.92³ =
  37. 37.105³ =
  38. 38.95³ =
  39. 39.105³ =
  40. 40.1001³ =

Answer key

  1. 1061208
  2. 1191016
  3. 884736
  4. 1157625
  5. 1015075125
  6. 912673
  7. 964430272
  8. 1006012008
  9. 970299
  10. 946966168
  11. 1259712
  12. 1051871913
  13. 804357
  14. 1124864
  15. 1012048064
  16. 1259712
  17. 1295029
  18. 1003003001
  19. 955671625
  20. 1061208
  21. 804357
  22. 1092727
  23. 1092727
  24. 778688
  25. 1030301
  26. 912673
  27. 1018108216
  28. 1009027027
  29. 857375
  30. 979146657
  31. 1021147343
  32. 1061208
  33. 1061208000
  34. 1092727
  35. 1006012008
  36. 778688
  37. 1157625
  38. 857375
  39. 1157625
  40. 1003003001

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