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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 60 · 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. 1.985³ =
  2. 2.999³ =
  3. 3.98³ =
  4. 4.993³ =
  5. 5.987³ =
  6. 6.103³ =
  7. 7.1004³ =
  8. 8.990³ =
  9. 9.105³ =
  10. 10.99³ =
  11. 11.1018³ =
  12. 12.1009³ =
  13. 13.987³ =
  14. 14.96³ =
  15. 15.1002³ =
  16. 16.96³ =
  17. 17.91³ =
  18. 18.109³ =
  19. 19.91³ =
  20. 20.108³ =
  21. 21.107³ =
  22. 22.96³ =
  23. 23.98³ =
  24. 24.94³ =
  25. 25.95³ =
  26. 26.989³ =
  27. 27.999³ =
  28. 28.104³ =
  29. 29.92³ =
  30. 30.995³ =
  31. 31.988³ =
  32. 32.1005³ =
  33. 33.1011³ =
  34. 34.104³ =
  35. 35.95³ =
  36. 36.95³ =
  37. 37.1013³ =
  38. 38.983³ =
  39. 39.103³ =
  40. 40.106³ =

Answer key

  1. 955671625
  2. 997002999
  3. 941192
  4. 979146657
  5. 961504803
  6. 1092727
  7. 1012048064
  8. 970299000
  9. 1157625
  10. 970299
  11. 1054977832
  12. 1027243729
  13. 961504803
  14. 884736
  15. 1006012008
  16. 884736
  17. 753571
  18. 1295029
  19. 753571
  20. 1259712
  21. 1225043
  22. 884736
  23. 941192
  24. 830584
  25. 857375
  26. 967361669
  27. 997002999
  28. 1124864
  29. 778688
  30. 985074875
  31. 964430272
  32. 1015075125
  33. 1033364331
  34. 1124864
  35. 857375
  36. 857375
  37. 1039509197
  38. 949862087
  39. 1092727
  40. 1191016

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