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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 550 · 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. 1.1001³ =
  2. 2.103³ =
  3. 3.108³ =
  4. 4.98³ =
  5. 5.97³ =
  6. 6.91³ =
  7. 7.98³ =
  8. 8.98³ =
  9. 9.107³ =
  10. 10.105³ =
  11. 11.995³ =
  12. 12.1010³ =
  13. 13.107³ =
  14. 14.992³ =
  15. 15.98³ =
  16. 16.980³ =
  17. 17.980³ =
  18. 18.982³ =
  19. 19.92³ =
  20. 20.91³ =
  21. 21.993³ =
  22. 22.98³ =
  23. 23.91³ =
  24. 24.992³ =
  25. 25.95³ =
  26. 26.95³ =
  27. 27.101³ =
  28. 28.97³ =
  29. 29.95³ =
  30. 30.989³ =
  31. 31.101³ =
  32. 32.1003³ =
  33. 33.992³ =
  34. 34.101³ =
  35. 35.1006³ =
  36. 36.105³ =
  37. 37.981³ =
  38. 38.103³ =
  39. 39.92³ =
  40. 40.1003³ =

Answer key

  1. 1003003001
  2. 1092727
  3. 1259712
  4. 941192
  5. 912673
  6. 753571
  7. 941192
  8. 941192
  9. 1225043
  10. 1157625
  11. 985074875
  12. 1030301000
  13. 1225043
  14. 976191488
  15. 941192
  16. 941192000
  17. 941192000
  18. 946966168
  19. 778688
  20. 753571
  21. 979146657
  22. 941192
  23. 753571
  24. 976191488
  25. 857375
  26. 857375
  27. 1030301
  28. 912673
  29. 857375
  30. 967361669
  31. 1030301
  32. 1009027027
  33. 976191488
  34. 1030301
  35. 1018108216
  36. 1157625
  37. 944076141
  38. 1092727
  39. 778688
  40. 1009027027

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