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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 216 · 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. 1.108³ =
  2. 2.998³ =
  3. 3.995³ =
  4. 4.983³ =
  5. 5.106³ =
  6. 6.994³ =
  7. 7.994³ =
  8. 8.998³ =
  9. 9.93³ =
  10. 10.989³ =
  11. 11.102³ =
  12. 12.91³ =
  13. 13.96³ =
  14. 14.1017³ =
  15. 15.980³ =
  16. 16.95³ =
  17. 17.95³ =
  18. 18.99³ =
  19. 19.96³ =
  20. 20.98³ =
  21. 21.986³ =
  22. 22.99³ =
  23. 23.1004³ =
  24. 24.92³ =
  25. 25.105³ =
  26. 26.109³ =
  27. 27.94³ =
  28. 28.987³ =
  29. 29.107³ =
  30. 30.994³ =
  31. 31.104³ =
  32. 32.984³ =
  33. 33.989³ =
  34. 34.1004³ =
  35. 35.995³ =
  36. 36.1008³ =
  37. 37.995³ =
  38. 38.985³ =
  39. 39.984³ =
  40. 40.98³ =

Answer key

  1. 1259712
  2. 994011992
  3. 985074875
  4. 949862087
  5. 1191016
  6. 982107784
  7. 982107784
  8. 994011992
  9. 804357
  10. 967361669
  11. 1061208
  12. 753571
  13. 884736
  14. 1051871913
  15. 941192000
  16. 857375
  17. 857375
  18. 970299
  19. 884736
  20. 941192
  21. 958585256
  22. 970299
  23. 1012048064
  24. 778688
  25. 1157625
  26. 1295029
  27. 830584
  28. 961504803
  29. 1225043
  30. 982107784
  31. 1124864
  32. 952763904
  33. 967361669
  34. 1012048064
  35. 985074875
  36. 1024192512
  37. 985074875
  38. 955671625
  39. 952763904
  40. 941192

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