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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 424 · 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. 1.996³ =
  2. 2.1010³ =
  3. 3.91³ =
  4. 4.97³ =
  5. 5.1020³ =
  6. 6.93³ =
  7. 7.109³ =
  8. 8.981³ =
  9. 9.1001³ =
  10. 10.109³ =
  11. 11.984³ =
  12. 12.1001³ =
  13. 13.984³ =
  14. 14.984³ =
  15. 15.96³ =
  16. 16.985³ =
  17. 17.986³ =
  18. 18.982³ =
  19. 19.106³ =
  20. 20.994³ =
  21. 21.104³ =
  22. 22.92³ =
  23. 23.94³ =
  24. 24.96³ =
  25. 25.1002³ =
  26. 26.981³ =
  27. 27.1014³ =
  28. 28.1003³ =
  29. 29.97³ =
  30. 30.92³ =
  31. 31.104³ =
  32. 32.101³ =
  33. 33.1015³ =
  34. 34.1009³ =
  35. 35.94³ =
  36. 36.1015³ =
  37. 37.1013³ =
  38. 38.102³ =
  39. 39.93³ =
  40. 40.98³ =

Answer key

  1. 988047936
  2. 1030301000
  3. 753571
  4. 912673
  5. 1061208000
  6. 804357
  7. 1295029
  8. 944076141
  9. 1003003001
  10. 1295029
  11. 952763904
  12. 1003003001
  13. 952763904
  14. 952763904
  15. 884736
  16. 955671625
  17. 958585256
  18. 946966168
  19. 1191016
  20. 982107784
  21. 1124864
  22. 778688
  23. 830584
  24. 884736
  25. 1006012008
  26. 944076141
  27. 1042590744
  28. 1009027027
  29. 912673
  30. 778688
  31. 1124864
  32. 1030301
  33. 1045678375
  34. 1027243729
  35. 830584
  36. 1045678375
  37. 1039509197
  38. 1061208
  39. 804357
  40. 941192

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