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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 16 · 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. 1.98³ =
  2. 2.986³ =
  3. 3.995³ =
  4. 4.93³ =
  5. 5.1005³ =
  6. 6.1004³ =
  7. 7.993³ =
  8. 8.94³ =
  9. 9.103³ =
  10. 10.980³ =
  11. 11.1001³ =
  12. 12.1006³ =
  13. 13.103³ =
  14. 14.109³ =
  15. 15.99³ =
  16. 16.1012³ =
  17. 17.992³ =
  18. 18.980³ =
  19. 19.101³ =
  20. 20.104³ =
  21. 21.984³ =
  22. 22.103³ =
  23. 23.984³ =
  24. 24.1004³ =
  25. 25.998³ =
  26. 26.993³ =
  27. 27.107³ =
  28. 28.92³ =
  29. 29.107³ =
  30. 30.106³ =
  31. 31.95³ =
  32. 32.96³ =
  33. 33.994³ =
  34. 34.107³ =
  35. 35.93³ =
  36. 36.990³ =
  37. 37.106³ =
  38. 38.94³ =
  39. 39.101³ =
  40. 40.991³ =

Answer key

  1. 941192
  2. 958585256
  3. 985074875
  4. 804357
  5. 1015075125
  6. 1012048064
  7. 979146657
  8. 830584
  9. 1092727
  10. 941192000
  11. 1003003001
  12. 1018108216
  13. 1092727
  14. 1295029
  15. 970299
  16. 1036433728
  17. 976191488
  18. 941192000
  19. 1030301
  20. 1124864
  21. 952763904
  22. 1092727
  23. 952763904
  24. 1012048064
  25. 994011992
  26. 979146657
  27. 1225043
  28. 778688
  29. 1225043
  30. 1191016
  31. 857375
  32. 884736
  33. 982107784
  34. 1225043
  35. 804357
  36. 970299000
  37. 1191016
  38. 830584
  39. 1030301
  40. 973242271

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