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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 344 · 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. 1.109³ =
  2. 2.1003³ =
  3. 3.982³ =
  4. 4.98³ =
  5. 5.101³ =
  6. 6.1006³ =
  7. 7.98³ =
  8. 8.96³ =
  9. 9.1014³ =
  10. 10.1001³ =
  11. 11.995³ =
  12. 12.103³ =
  13. 13.97³ =
  14. 14.92³ =
  15. 15.95³ =
  16. 16.1003³ =
  17. 17.986³ =
  18. 18.98³ =
  19. 19.982³ =
  20. 20.97³ =
  21. 21.981³ =
  22. 22.1015³ =
  23. 23.106³ =
  24. 24.986³ =
  25. 25.92³ =
  26. 26.99³ =
  27. 27.984³ =
  28. 28.992³ =
  29. 29.1008³ =
  30. 30.97³ =
  31. 31.103³ =
  32. 32.101³ =
  33. 33.101³ =
  34. 34.91³ =
  35. 35.94³ =
  36. 36.109³ =
  37. 37.94³ =
  38. 38.1003³ =
  39. 39.102³ =
  40. 40.980³ =

Answer key

  1. 1295029
  2. 1009027027
  3. 946966168
  4. 941192
  5. 1030301
  6. 1018108216
  7. 941192
  8. 884736
  9. 1042590744
  10. 1003003001
  11. 985074875
  12. 1092727
  13. 912673
  14. 778688
  15. 857375
  16. 1009027027
  17. 958585256
  18. 941192
  19. 946966168
  20. 912673
  21. 944076141
  22. 1045678375
  23. 1191016
  24. 958585256
  25. 778688
  26. 970299
  27. 952763904
  28. 976191488
  29. 1024192512
  30. 912673
  31. 1092727
  32. 1030301
  33. 1030301
  34. 753571
  35. 830584
  36. 1295029
  37. 830584
  38. 1009027027
  39. 1061208
  40. 941192000

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