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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 117 · 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. 1.986³ =
  2. 2.1006³ =
  3. 3.96³ =
  4. 4.982³ =
  5. 5.97³ =
  6. 6.1004³ =
  7. 7.102³ =
  8. 8.107³ =
  9. 9.106³ =
  10. 10.993³ =
  11. 11.93³ =
  12. 12.996³ =
  13. 13.993³ =
  14. 14.996³ =
  15. 15.1013³ =
  16. 16.994³ =
  17. 17.994³ =
  18. 18.105³ =
  19. 19.92³ =
  20. 20.99³ =
  21. 21.92³ =
  22. 22.992³ =
  23. 23.103³ =
  24. 24.1015³ =
  25. 25.1019³ =
  26. 26.107³ =
  27. 27.107³ =
  28. 28.108³ =
  29. 29.996³ =
  30. 30.91³ =
  31. 31.92³ =
  32. 32.96³ =
  33. 33.95³ =
  34. 34.1018³ =
  35. 35.108³ =
  36. 36.1017³ =
  37. 37.1013³ =
  38. 38.107³ =
  39. 39.997³ =
  40. 40.99³ =

Answer key

  1. 958585256
  2. 1018108216
  3. 884736
  4. 946966168
  5. 912673
  6. 1012048064
  7. 1061208
  8. 1225043
  9. 1191016
  10. 979146657
  11. 804357
  12. 988047936
  13. 979146657
  14. 988047936
  15. 1039509197
  16. 982107784
  17. 982107784
  18. 1157625
  19. 778688
  20. 970299
  21. 778688
  22. 976191488
  23. 1092727
  24. 1045678375
  25. 1058089859
  26. 1225043
  27. 1225043
  28. 1259712
  29. 988047936
  30. 753571
  31. 778688
  32. 884736
  33. 857375
  34. 1054977832
  35. 1259712
  36. 1051871913
  37. 1039509197
  38. 1225043
  39. 991026973
  40. 970299

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