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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 728 · 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. 1.101³ =
  2. 2.94³ =
  3. 3.990³ =
  4. 4.991³ =
  5. 5.98³ =
  6. 6.97³ =
  7. 7.105³ =
  8. 8.997³ =
  9. 9.999³ =
  10. 10.985³ =
  11. 11.106³ =
  12. 12.990³ =
  13. 13.992³ =
  14. 14.989³ =
  15. 15.1009³ =
  16. 16.103³ =
  17. 17.97³ =
  18. 18.1008³ =
  19. 19.1004³ =
  20. 20.1018³ =
  21. 21.109³ =
  22. 22.92³ =
  23. 23.991³ =
  24. 24.1009³ =
  25. 25.91³ =
  26. 26.102³ =
  27. 27.996³ =
  28. 28.1014³ =
  29. 29.92³ =
  30. 30.96³ =
  31. 31.991³ =
  32. 32.99³ =
  33. 33.102³ =
  34. 34.94³ =
  35. 35.99³ =
  36. 36.988³ =
  37. 37.1018³ =
  38. 38.91³ =
  39. 39.92³ =
  40. 40.106³ =

Answer key

  1. 1030301
  2. 830584
  3. 970299000
  4. 973242271
  5. 941192
  6. 912673
  7. 1157625
  8. 991026973
  9. 997002999
  10. 955671625
  11. 1191016
  12. 970299000
  13. 976191488
  14. 967361669
  15. 1027243729
  16. 1092727
  17. 912673
  18. 1024192512
  19. 1012048064
  20. 1054977832
  21. 1295029
  22. 778688
  23. 973242271
  24. 1027243729
  25. 753571
  26. 1061208
  27. 988047936
  28. 1042590744
  29. 778688
  30. 884736
  31. 973242271
  32. 970299
  33. 1061208
  34. 830584
  35. 970299
  36. 964430272
  37. 1054977832
  38. 753571
  39. 778688
  40. 1191016

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