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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 534 · 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. 1.982³ =
  2. 2.990³ =
  3. 3.993³ =
  4. 4.92³ =
  5. 5.99³ =
  6. 6.1001³ =
  7. 7.996³ =
  8. 8.103³ =
  9. 9.94³ =
  10. 10.97³ =
  11. 11.95³ =
  12. 12.91³ =
  13. 13.996³ =
  14. 14.986³ =
  15. 15.1001³ =
  16. 16.105³ =
  17. 17.106³ =
  18. 18.989³ =
  19. 19.1020³ =
  20. 20.1004³ =
  21. 21.109³ =
  22. 22.982³ =
  23. 23.981³ =
  24. 24.981³ =
  25. 25.1011³ =
  26. 26.105³ =
  27. 27.105³ =
  28. 28.1013³ =
  29. 29.94³ =
  30. 30.996³ =
  31. 31.101³ =
  32. 32.92³ =
  33. 33.993³ =
  34. 34.987³ =
  35. 35.92³ =
  36. 36.993³ =
  37. 37.109³ =
  38. 38.996³ =
  39. 39.94³ =
  40. 40.96³ =

Answer key

  1. 946966168
  2. 970299000
  3. 979146657
  4. 778688
  5. 970299
  6. 1003003001
  7. 988047936
  8. 1092727
  9. 830584
  10. 912673
  11. 857375
  12. 753571
  13. 988047936
  14. 958585256
  15. 1003003001
  16. 1157625
  17. 1191016
  18. 967361669
  19. 1061208000
  20. 1012048064
  21. 1295029
  22. 946966168
  23. 944076141
  24. 944076141
  25. 1033364331
  26. 1157625
  27. 1157625
  28. 1039509197
  29. 830584
  30. 988047936
  31. 1030301
  32. 778688
  33. 979146657
  34. 961504803
  35. 778688
  36. 979146657
  37. 1295029
  38. 988047936
  39. 830584
  40. 884736

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