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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 959 · 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. 1.987³ =
  2. 2.102³ =
  3. 3.92³ =
  4. 4.96³ =
  5. 5.109³ =
  6. 6.1018³ =
  7. 7.108³ =
  8. 8.989³ =
  9. 9.1003³ =
  10. 10.999³ =
  11. 11.99³ =
  12. 12.980³ =
  13. 13.108³ =
  14. 14.95³ =
  15. 15.990³ =
  16. 16.94³ =
  17. 17.1017³ =
  18. 18.106³ =
  19. 19.1012³ =
  20. 20.106³ =
  21. 21.999³ =
  22. 22.92³ =
  23. 23.107³ =
  24. 24.1001³ =
  25. 25.1013³ =
  26. 26.102³ =
  27. 27.108³ =
  28. 28.106³ =
  29. 29.1001³ =
  30. 30.108³ =
  31. 31.98³ =
  32. 32.98³ =
  33. 33.101³ =
  34. 34.93³ =
  35. 35.98³ =
  36. 36.98³ =
  37. 37.94³ =
  38. 38.991³ =
  39. 39.107³ =
  40. 40.1004³ =

Answer key

  1. 961504803
  2. 1061208
  3. 778688
  4. 884736
  5. 1295029
  6. 1054977832
  7. 1259712
  8. 967361669
  9. 1009027027
  10. 997002999
  11. 970299
  12. 941192000
  13. 1259712
  14. 857375
  15. 970299000
  16. 830584
  17. 1051871913
  18. 1191016
  19. 1036433728
  20. 1191016
  21. 997002999
  22. 778688
  23. 1225043
  24. 1003003001
  25. 1039509197
  26. 1061208
  27. 1259712
  28. 1191016
  29. 1003003001
  30. 1259712
  31. 941192
  32. 941192
  33. 1030301
  34. 804357
  35. 941192
  36. 941192
  37. 830584
  38. 973242271
  39. 1225043
  40. 1012048064

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