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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 557 · 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. 1.994³ =
  2. 2.92³ =
  3. 3.99³ =
  4. 4.96³ =
  5. 5.93³ =
  6. 6.1004³ =
  7. 7.102³ =
  8. 8.108³ =
  9. 9.1011³ =
  10. 10.103³ =
  11. 11.980³ =
  12. 12.107³ =
  13. 13.93³ =
  14. 14.994³ =
  15. 15.993³ =
  16. 16.1020³ =
  17. 17.91³ =
  18. 18.104³ =
  19. 19.983³ =
  20. 20.98³ =
  21. 21.93³ =
  22. 22.980³ =
  23. 23.980³ =
  24. 24.96³ =
  25. 25.93³ =
  26. 26.93³ =
  27. 27.99³ =
  28. 28.102³ =
  29. 29.987³ =
  30. 30.98³ =
  31. 31.107³ =
  32. 32.101³ =
  33. 33.105³ =
  34. 34.97³ =
  35. 35.95³ =
  36. 36.91³ =
  37. 37.108³ =
  38. 38.981³ =
  39. 39.94³ =
  40. 40.95³ =

Answer key

  1. 982107784
  2. 778688
  3. 970299
  4. 884736
  5. 804357
  6. 1012048064
  7. 1061208
  8. 1259712
  9. 1033364331
  10. 1092727
  11. 941192000
  12. 1225043
  13. 804357
  14. 982107784
  15. 979146657
  16. 1061208000
  17. 753571
  18. 1124864
  19. 949862087
  20. 941192
  21. 804357
  22. 941192000
  23. 941192000
  24. 884736
  25. 804357
  26. 804357
  27. 970299
  28. 1061208
  29. 961504803
  30. 941192
  31. 1225043
  32. 1030301
  33. 1157625
  34. 912673
  35. 857375
  36. 753571
  37. 1259712
  38. 944076141
  39. 830584
  40. 857375

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