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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 862 · 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. 1.981³ =
  2. 2.93³ =
  3. 3.102³ =
  4. 4.91³ =
  5. 5.994³ =
  6. 6.1015³ =
  7. 7.93³ =
  8. 8.996³ =
  9. 9.1005³ =
  10. 10.996³ =
  11. 11.108³ =
  12. 12.106³ =
  13. 13.984³ =
  14. 14.994³ =
  15. 15.93³ =
  16. 16.991³ =
  17. 17.108³ =
  18. 18.102³ =
  19. 19.996³ =
  20. 20.1008³ =
  21. 21.994³ =
  22. 22.1005³ =
  23. 23.104³ =
  24. 24.992³ =
  25. 25.95³ =
  26. 26.104³ =
  27. 27.106³ =
  28. 28.1006³ =
  29. 29.984³ =
  30. 30.105³ =
  31. 31.101³ =
  32. 32.92³ =
  33. 33.101³ =
  34. 34.1016³ =
  35. 35.92³ =
  36. 36.101³ =
  37. 37.1015³ =
  38. 38.991³ =
  39. 39.96³ =
  40. 40.106³ =

Answer key

  1. 944076141
  2. 804357
  3. 1061208
  4. 753571
  5. 982107784
  6. 1045678375
  7. 804357
  8. 988047936
  9. 1015075125
  10. 988047936
  11. 1259712
  12. 1191016
  13. 952763904
  14. 982107784
  15. 804357
  16. 973242271
  17. 1259712
  18. 1061208
  19. 988047936
  20. 1024192512
  21. 982107784
  22. 1015075125
  23. 1124864
  24. 976191488
  25. 857375
  26. 1124864
  27. 1191016
  28. 1018108216
  29. 952763904
  30. 1157625
  31. 1030301
  32. 778688
  33. 1030301
  34. 1048772096
  35. 778688
  36. 1030301
  37. 1045678375
  38. 973242271
  39. 884736
  40. 1191016

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