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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 821 · 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. 1.104³ =
  2. 2.95³ =
  3. 3.999³ =
  4. 4.97³ =
  5. 5.989³ =
  6. 6.984³ =
  7. 7.109³ =
  8. 8.1006³ =
  9. 9.101³ =
  10. 10.990³ =
  11. 11.107³ =
  12. 12.108³ =
  13. 13.96³ =
  14. 14.108³ =
  15. 15.999³ =
  16. 16.1013³ =
  17. 17.97³ =
  18. 18.92³ =
  19. 19.106³ =
  20. 20.99³ =
  21. 21.98³ =
  22. 22.103³ =
  23. 23.91³ =
  24. 24.92³ =
  25. 25.93³ =
  26. 26.96³ =
  27. 27.98³ =
  28. 28.1004³ =
  29. 29.1019³ =
  30. 30.103³ =
  31. 31.108³ =
  32. 32.94³ =
  33. 33.91³ =
  34. 34.103³ =
  35. 35.998³ =
  36. 36.993³ =
  37. 37.94³ =
  38. 38.1006³ =
  39. 39.93³ =
  40. 40.103³ =

Answer key

  1. 1124864
  2. 857375
  3. 997002999
  4. 912673
  5. 967361669
  6. 952763904
  7. 1295029
  8. 1018108216
  9. 1030301
  10. 970299000
  11. 1225043
  12. 1259712
  13. 884736
  14. 1259712
  15. 997002999
  16. 1039509197
  17. 912673
  18. 778688
  19. 1191016
  20. 970299
  21. 941192
  22. 1092727
  23. 753571
  24. 778688
  25. 804357
  26. 884736
  27. 941192
  28. 1012048064
  29. 1058089859
  30. 1092727
  31. 1259712
  32. 830584
  33. 753571
  34. 1092727
  35. 994011992
  36. 979146657
  37. 830584
  38. 1018108216
  39. 804357
  40. 1092727

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