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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 178 · 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. 1.102³ =
  2. 2.94³ =
  3. 3.1016³ =
  4. 4.986³ =
  5. 5.1011³ =
  6. 6.1006³ =
  7. 7.91³ =
  8. 8.93³ =
  9. 9.1007³ =
  10. 10.99³ =
  11. 11.995³ =
  12. 12.981³ =
  13. 13.92³ =
  14. 14.996³ =
  15. 15.995³ =
  16. 16.1014³ =
  17. 17.99³ =
  18. 18.984³ =
  19. 19.104³ =
  20. 20.93³ =
  21. 21.107³ =
  22. 22.1014³ =
  23. 23.91³ =
  24. 24.104³ =
  25. 25.96³ =
  26. 26.95³ =
  27. 27.102³ =
  28. 28.1013³ =
  29. 29.989³ =
  30. 30.104³ =
  31. 31.109³ =
  32. 32.91³ =
  33. 33.1015³ =
  34. 34.99³ =
  35. 35.982³ =
  36. 36.983³ =
  37. 37.91³ =
  38. 38.982³ =
  39. 39.101³ =
  40. 40.995³ =

Answer key

  1. 1061208
  2. 830584
  3. 1048772096
  4. 958585256
  5. 1033364331
  6. 1018108216
  7. 753571
  8. 804357
  9. 1021147343
  10. 970299
  11. 985074875
  12. 944076141
  13. 778688
  14. 988047936
  15. 985074875
  16. 1042590744
  17. 970299
  18. 952763904
  19. 1124864
  20. 804357
  21. 1225043
  22. 1042590744
  23. 753571
  24. 1124864
  25. 884736
  26. 857375
  27. 1061208
  28. 1039509197
  29. 967361669
  30. 1124864
  31. 1295029
  32. 753571
  33. 1045678375
  34. 970299
  35. 946966168
  36. 949862087
  37. 753571
  38. 946966168
  39. 1030301
  40. 985074875

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