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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 226 · 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. 1.992³ =
  2. 2.1005³ =
  3. 3.102³ =
  4. 4.997³ =
  5. 5.95³ =
  6. 6.102³ =
  7. 7.109³ =
  8. 8.95³ =
  9. 9.992³ =
  10. 10.997³ =
  11. 11.1017³ =
  12. 12.995³ =
  13. 13.96³ =
  14. 14.91³ =
  15. 15.106³ =
  16. 16.96³ =
  17. 17.98³ =
  18. 18.99³ =
  19. 19.95³ =
  20. 20.991³ =
  21. 21.101³ =
  22. 22.97³ =
  23. 23.98³ =
  24. 24.1016³ =
  25. 25.99³ =
  26. 26.99³ =
  27. 27.92³ =
  28. 28.989³ =
  29. 29.1018³ =
  30. 30.998³ =
  31. 31.105³ =
  32. 32.91³ =
  33. 33.1019³ =
  34. 34.990³ =
  35. 35.985³ =
  36. 36.1004³ =
  37. 37.108³ =
  38. 38.991³ =
  39. 39.995³ =
  40. 40.99³ =

Answer key

  1. 976191488
  2. 1015075125
  3. 1061208
  4. 991026973
  5. 857375
  6. 1061208
  7. 1295029
  8. 857375
  9. 976191488
  10. 991026973
  11. 1051871913
  12. 985074875
  13. 884736
  14. 753571
  15. 1191016
  16. 884736
  17. 941192
  18. 970299
  19. 857375
  20. 973242271
  21. 1030301
  22. 912673
  23. 941192
  24. 1048772096
  25. 970299
  26. 970299
  27. 778688
  28. 967361669
  29. 1054977832
  30. 994011992
  31. 1157625
  32. 753571
  33. 1058089859
  34. 970299000
  35. 955671625
  36. 1012048064
  37. 1259712
  38. 973242271
  39. 985074875
  40. 970299

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