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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 847 · 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. 1.1007³ =
  2. 2.1004³ =
  3. 3.1016³ =
  4. 4.1013³ =
  5. 5.107³ =
  6. 6.95³ =
  7. 7.91³ =
  8. 8.98³ =
  9. 9.981³ =
  10. 10.992³ =
  11. 11.986³ =
  12. 12.108³ =
  13. 13.91³ =
  14. 14.1009³ =
  15. 15.1017³ =
  16. 16.93³ =
  17. 17.985³ =
  18. 18.1012³ =
  19. 19.1010³ =
  20. 20.1005³ =
  21. 21.98³ =
  22. 22.989³ =
  23. 23.109³ =
  24. 24.1001³ =
  25. 25.106³ =
  26. 26.995³ =
  27. 27.988³ =
  28. 28.95³ =
  29. 29.109³ =
  30. 30.96³ =
  31. 31.980³ =
  32. 32.102³ =
  33. 33.105³ =
  34. 34.91³ =
  35. 35.1006³ =
  36. 36.91³ =
  37. 37.98³ =
  38. 38.104³ =
  39. 39.106³ =
  40. 40.102³ =

Answer key

  1. 1021147343
  2. 1012048064
  3. 1048772096
  4. 1039509197
  5. 1225043
  6. 857375
  7. 753571
  8. 941192
  9. 944076141
  10. 976191488
  11. 958585256
  12. 1259712
  13. 753571
  14. 1027243729
  15. 1051871913
  16. 804357
  17. 955671625
  18. 1036433728
  19. 1030301000
  20. 1015075125
  21. 941192
  22. 967361669
  23. 1295029
  24. 1003003001
  25. 1191016
  26. 985074875
  27. 964430272
  28. 857375
  29. 1295029
  30. 884736
  31. 941192000
  32. 1061208
  33. 1157625
  34. 753571
  35. 1018108216
  36. 753571
  37. 941192
  38. 1124864
  39. 1191016
  40. 1061208

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