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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 36 · 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. 1.994³ =
  2. 2.102³ =
  3. 3.96³ =
  4. 4.991³ =
  5. 5.992³ =
  6. 6.108³ =
  7. 7.96³ =
  8. 8.1018³ =
  9. 9.1001³ =
  10. 10.991³ =
  11. 11.991³ =
  12. 12.91³ =
  13. 13.1001³ =
  14. 14.99³ =
  15. 15.1003³ =
  16. 16.99³ =
  17. 17.109³ =
  18. 18.993³ =
  19. 19.102³ =
  20. 20.1010³ =
  21. 21.103³ =
  22. 22.95³ =
  23. 23.107³ =
  24. 24.1005³ =
  25. 25.102³ =
  26. 26.93³ =
  27. 27.95³ =
  28. 28.980³ =
  29. 29.1013³ =
  30. 30.108³ =
  31. 31.980³ =
  32. 32.991³ =
  33. 33.96³ =
  34. 34.98³ =
  35. 35.998³ =
  36. 36.1002³ =
  37. 37.999³ =
  38. 38.1019³ =
  39. 39.105³ =
  40. 40.95³ =

Answer key

  1. 982107784
  2. 1061208
  3. 884736
  4. 973242271
  5. 976191488
  6. 1259712
  7. 884736
  8. 1054977832
  9. 1003003001
  10. 973242271
  11. 973242271
  12. 753571
  13. 1003003001
  14. 970299
  15. 1009027027
  16. 970299
  17. 1295029
  18. 979146657
  19. 1061208
  20. 1030301000
  21. 1092727
  22. 857375
  23. 1225043
  24. 1015075125
  25. 1061208
  26. 804357
  27. 857375
  28. 941192000
  29. 1039509197
  30. 1259712
  31. 941192000
  32. 973242271
  33. 884736
  34. 941192
  35. 994011992
  36. 1006012008
  37. 997002999
  38. 1058089859
  39. 1157625
  40. 857375

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