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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 304 · 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. 1.1017³ =
  2. 2.99³ =
  3. 3.996³ =
  4. 4.105³ =
  5. 5.994³ =
  6. 6.995³ =
  7. 7.107³ =
  8. 8.92³ =
  9. 9.1015³ =
  10. 10.1006³ =
  11. 11.91³ =
  12. 12.1018³ =
  13. 13.96³ =
  14. 14.103³ =
  15. 15.92³ =
  16. 16.95³ =
  17. 17.97³ =
  18. 18.984³ =
  19. 19.984³ =
  20. 20.94³ =
  21. 21.1017³ =
  22. 22.102³ =
  23. 23.992³ =
  24. 24.92³ =
  25. 25.99³ =
  26. 26.993³ =
  27. 27.104³ =
  28. 28.996³ =
  29. 29.102³ =
  30. 30.104³ =
  31. 31.94³ =
  32. 32.1004³ =
  33. 33.99³ =
  34. 34.1011³ =
  35. 35.992³ =
  36. 36.107³ =
  37. 37.107³ =
  38. 38.104³ =
  39. 39.1003³ =
  40. 40.1001³ =

Answer key

  1. 1051871913
  2. 970299
  3. 988047936
  4. 1157625
  5. 982107784
  6. 985074875
  7. 1225043
  8. 778688
  9. 1045678375
  10. 1018108216
  11. 753571
  12. 1054977832
  13. 884736
  14. 1092727
  15. 778688
  16. 857375
  17. 912673
  18. 952763904
  19. 952763904
  20. 830584
  21. 1051871913
  22. 1061208
  23. 976191488
  24. 778688
  25. 970299
  26. 979146657
  27. 1124864
  28. 988047936
  29. 1061208
  30. 1124864
  31. 830584
  32. 1012048064
  33. 970299
  34. 1033364331
  35. 976191488
  36. 1225043
  37. 1225043
  38. 1124864
  39. 1009027027
  40. 1003003001

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