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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 877 · 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. 1.1013³ =
  2. 2.98³ =
  3. 3.980³ =
  4. 4.109³ =
  5. 5.1020³ =
  6. 6.106³ =
  7. 7.93³ =
  8. 8.105³ =
  9. 9.95³ =
  10. 10.92³ =
  11. 11.992³ =
  12. 12.987³ =
  13. 13.93³ =
  14. 14.102³ =
  15. 15.1017³ =
  16. 16.981³ =
  17. 17.989³ =
  18. 18.101³ =
  19. 19.998³ =
  20. 20.986³ =
  21. 21.107³ =
  22. 22.101³ =
  23. 23.1017³ =
  24. 24.1019³ =
  25. 25.987³ =
  26. 26.995³ =
  27. 27.97³ =
  28. 28.92³ =
  29. 29.1004³ =
  30. 30.993³ =
  31. 31.105³ =
  32. 32.103³ =
  33. 33.1009³ =
  34. 34.94³ =
  35. 35.1001³ =
  36. 36.95³ =
  37. 37.109³ =
  38. 38.987³ =
  39. 39.1007³ =
  40. 40.99³ =

Answer key

  1. 1039509197
  2. 941192
  3. 941192000
  4. 1295029
  5. 1061208000
  6. 1191016
  7. 804357
  8. 1157625
  9. 857375
  10. 778688
  11. 976191488
  12. 961504803
  13. 804357
  14. 1061208
  15. 1051871913
  16. 944076141
  17. 967361669
  18. 1030301
  19. 994011992
  20. 958585256
  21. 1225043
  22. 1030301
  23. 1051871913
  24. 1058089859
  25. 961504803
  26. 985074875
  27. 912673
  28. 778688
  29. 1012048064
  30. 979146657
  31. 1157625
  32. 1092727
  33. 1027243729
  34. 830584
  35. 1003003001
  36. 857375
  37. 1295029
  38. 961504803
  39. 1021147343
  40. 970299

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