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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 271 · 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. 1.103³ =
  2. 2.105³ =
  3. 3.104³ =
  4. 4.1002³ =
  5. 5.103³ =
  6. 6.109³ =
  7. 7.993³ =
  8. 8.108³ =
  9. 9.102³ =
  10. 10.98³ =
  11. 11.96³ =
  12. 12.987³ =
  13. 13.96³ =
  14. 14.92³ =
  15. 15.102³ =
  16. 16.986³ =
  17. 17.96³ =
  18. 18.980³ =
  19. 19.97³ =
  20. 20.1013³ =
  21. 21.98³ =
  22. 22.1014³ =
  23. 23.999³ =
  24. 24.92³ =
  25. 25.989³ =
  26. 26.95³ =
  27. 27.1020³ =
  28. 28.99³ =
  29. 29.98³ =
  30. 30.103³ =
  31. 31.1017³ =
  32. 32.105³ =
  33. 33.97³ =
  34. 34.102³ =
  35. 35.101³ =
  36. 36.1019³ =
  37. 37.104³ =
  38. 38.106³ =
  39. 39.108³ =
  40. 40.101³ =

Answer key

  1. 1092727
  2. 1157625
  3. 1124864
  4. 1006012008
  5. 1092727
  6. 1295029
  7. 979146657
  8. 1259712
  9. 1061208
  10. 941192
  11. 884736
  12. 961504803
  13. 884736
  14. 778688
  15. 1061208
  16. 958585256
  17. 884736
  18. 941192000
  19. 912673
  20. 1039509197
  21. 941192
  22. 1042590744
  23. 997002999
  24. 778688
  25. 967361669
  26. 857375
  27. 1061208000
  28. 970299
  29. 941192
  30. 1092727
  31. 1051871913
  32. 1157625
  33. 912673
  34. 1061208
  35. 1030301
  36. 1058089859
  37. 1124864
  38. 1191016
  39. 1259712
  40. 1030301

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