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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 505 · 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. 1.91³ =
  2. 2.1009³ =
  3. 3.106³ =
  4. 4.1014³ =
  5. 5.989³ =
  6. 6.997³ =
  7. 7.91³ =
  8. 8.104³ =
  9. 9.1002³ =
  10. 10.107³ =
  11. 11.96³ =
  12. 12.93³ =
  13. 13.106³ =
  14. 14.989³ =
  15. 15.101³ =
  16. 16.91³ =
  17. 17.107³ =
  18. 18.1012³ =
  19. 19.103³ =
  20. 20.106³ =
  21. 21.1008³ =
  22. 22.997³ =
  23. 23.109³ =
  24. 24.994³ =
  25. 25.1008³ =
  26. 26.1008³ =
  27. 27.1018³ =
  28. 28.92³ =
  29. 29.93³ =
  30. 30.982³ =
  31. 31.96³ =
  32. 32.1011³ =
  33. 33.109³ =
  34. 34.989³ =
  35. 35.95³ =
  36. 36.998³ =
  37. 37.96³ =
  38. 38.91³ =
  39. 39.992³ =
  40. 40.97³ =

Answer key

  1. 753571
  2. 1027243729
  3. 1191016
  4. 1042590744
  5. 967361669
  6. 991026973
  7. 753571
  8. 1124864
  9. 1006012008
  10. 1225043
  11. 884736
  12. 804357
  13. 1191016
  14. 967361669
  15. 1030301
  16. 753571
  17. 1225043
  18. 1036433728
  19. 1092727
  20. 1191016
  21. 1024192512
  22. 991026973
  23. 1295029
  24. 982107784
  25. 1024192512
  26. 1024192512
  27. 1054977832
  28. 778688
  29. 804357
  30. 946966168
  31. 884736
  32. 1033364331
  33. 1295029
  34. 967361669
  35. 857375
  36. 994011992
  37. 884736
  38. 753571
  39. 976191488
  40. 912673

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