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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 455 · 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. 1.991³ =
  2. 2.98³ =
  3. 3.103³ =
  4. 4.1016³ =
  5. 5.1007³ =
  6. 6.105³ =
  7. 7.103³ =
  8. 8.91³ =
  9. 9.91³ =
  10. 10.984³ =
  11. 11.992³ =
  12. 12.995³ =
  13. 13.982³ =
  14. 14.1006³ =
  15. 15.106³ =
  16. 16.997³ =
  17. 17.108³ =
  18. 18.991³ =
  19. 19.108³ =
  20. 20.106³ =
  21. 21.1017³ =
  22. 22.1011³ =
  23. 23.1008³ =
  24. 24.995³ =
  25. 25.99³ =
  26. 26.96³ =
  27. 27.104³ =
  28. 28.99³ =
  29. 29.101³ =
  30. 30.989³ =
  31. 31.92³ =
  32. 32.989³ =
  33. 33.91³ =
  34. 34.1002³ =
  35. 35.1009³ =
  36. 36.103³ =
  37. 37.93³ =
  38. 38.1017³ =
  39. 39.983³ =
  40. 40.101³ =

Answer key

  1. 973242271
  2. 941192
  3. 1092727
  4. 1048772096
  5. 1021147343
  6. 1157625
  7. 1092727
  8. 753571
  9. 753571
  10. 952763904
  11. 976191488
  12. 985074875
  13. 946966168
  14. 1018108216
  15. 1191016
  16. 991026973
  17. 1259712
  18. 973242271
  19. 1259712
  20. 1191016
  21. 1051871913
  22. 1033364331
  23. 1024192512
  24. 985074875
  25. 970299
  26. 884736
  27. 1124864
  28. 970299
  29. 1030301
  30. 967361669
  31. 778688
  32. 967361669
  33. 753571
  34. 1006012008
  35. 1027243729
  36. 1092727
  37. 804357
  38. 1051871913
  39. 949862087
  40. 1030301

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