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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 352 · 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. 1.999³ =
  2. 2.106³ =
  3. 3.99³ =
  4. 4.98³ =
  5. 5.95³ =
  6. 6.1014³ =
  7. 7.94³ =
  8. 8.101³ =
  9. 9.109³ =
  10. 10.992³ =
  11. 11.990³ =
  12. 12.107³ =
  13. 13.995³ =
  14. 14.109³ =
  15. 15.105³ =
  16. 16.984³ =
  17. 17.97³ =
  18. 18.107³ =
  19. 19.99³ =
  20. 20.999³ =
  21. 21.92³ =
  22. 22.99³ =
  23. 23.98³ =
  24. 24.996³ =
  25. 25.96³ =
  26. 26.106³ =
  27. 27.98³ =
  28. 28.92³ =
  29. 29.95³ =
  30. 30.105³ =
  31. 31.104³ =
  32. 32.99³ =
  33. 33.1013³ =
  34. 34.98³ =
  35. 35.109³ =
  36. 36.108³ =
  37. 37.983³ =
  38. 38.983³ =
  39. 39.97³ =
  40. 40.998³ =

Answer key

  1. 997002999
  2. 1191016
  3. 970299
  4. 941192
  5. 857375
  6. 1042590744
  7. 830584
  8. 1030301
  9. 1295029
  10. 976191488
  11. 970299000
  12. 1225043
  13. 985074875
  14. 1295029
  15. 1157625
  16. 952763904
  17. 912673
  18. 1225043
  19. 970299
  20. 997002999
  21. 778688
  22. 970299
  23. 941192
  24. 988047936
  25. 884736
  26. 1191016
  27. 941192
  28. 778688
  29. 857375
  30. 1157625
  31. 1124864
  32. 970299
  33. 1039509197
  34. 941192
  35. 1295029
  36. 1259712
  37. 949862087
  38. 949862087
  39. 912673
  40. 994011992

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