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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 667 · 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. 1.988³ =
  2. 2.985³ =
  3. 3.980³ =
  4. 4.1011³ =
  5. 5.981³ =
  6. 6.1012³ =
  7. 7.102³ =
  8. 8.91³ =
  9. 9.983³ =
  10. 10.91³ =
  11. 11.995³ =
  12. 12.1014³ =
  13. 13.984³ =
  14. 14.1003³ =
  15. 15.1013³ =
  16. 16.102³ =
  17. 17.993³ =
  18. 18.108³ =
  19. 19.1020³ =
  20. 20.988³ =
  21. 21.98³ =
  22. 22.102³ =
  23. 23.99³ =
  24. 24.985³ =
  25. 25.1011³ =
  26. 26.990³ =
  27. 27.106³ =
  28. 28.981³ =
  29. 29.95³ =
  30. 30.985³ =
  31. 31.105³ =
  32. 32.103³ =
  33. 33.989³ =
  34. 34.984³ =
  35. 35.1011³ =
  36. 36.988³ =
  37. 37.99³ =
  38. 38.1005³ =
  39. 39.1018³ =
  40. 40.1001³ =

Answer key

  1. 964430272
  2. 955671625
  3. 941192000
  4. 1033364331
  5. 944076141
  6. 1036433728
  7. 1061208
  8. 753571
  9. 949862087
  10. 753571
  11. 985074875
  12. 1042590744
  13. 952763904
  14. 1009027027
  15. 1039509197
  16. 1061208
  17. 979146657
  18. 1259712
  19. 1061208000
  20. 964430272
  21. 941192
  22. 1061208
  23. 970299
  24. 955671625
  25. 1033364331
  26. 970299000
  27. 1191016
  28. 944076141
  29. 857375
  30. 955671625
  31. 1157625
  32. 1092727
  33. 967361669
  34. 952763904
  35. 1033364331
  36. 964430272
  37. 970299
  38. 1015075125
  39. 1054977832
  40. 1003003001

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