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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 942 · 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. 1.1016³ =
  2. 2.97³ =
  3. 3.1002³ =
  4. 4.1005³ =
  5. 5.990³ =
  6. 6.101³ =
  7. 7.992³ =
  8. 8.1015³ =
  9. 9.993³ =
  10. 10.98³ =
  11. 11.108³ =
  12. 12.97³ =
  13. 13.92³ =
  14. 14.993³ =
  15. 15.1020³ =
  16. 16.1010³ =
  17. 17.95³ =
  18. 18.1004³ =
  19. 19.94³ =
  20. 20.96³ =
  21. 21.1015³ =
  22. 22.94³ =
  23. 23.109³ =
  24. 24.94³ =
  25. 25.96³ =
  26. 26.109³ =
  27. 27.106³ =
  28. 28.93³ =
  29. 29.106³ =
  30. 30.108³ =
  31. 31.99³ =
  32. 32.92³ =
  33. 33.104³ =
  34. 34.995³ =
  35. 35.108³ =
  36. 36.98³ =
  37. 37.990³ =
  38. 38.994³ =
  39. 39.1015³ =
  40. 40.99³ =

Answer key

  1. 1048772096
  2. 912673
  3. 1006012008
  4. 1015075125
  5. 970299000
  6. 1030301
  7. 976191488
  8. 1045678375
  9. 979146657
  10. 941192
  11. 1259712
  12. 912673
  13. 778688
  14. 979146657
  15. 1061208000
  16. 1030301000
  17. 857375
  18. 1012048064
  19. 830584
  20. 884736
  21. 1045678375
  22. 830584
  23. 1295029
  24. 830584
  25. 884736
  26. 1295029
  27. 1191016
  28. 804357
  29. 1191016
  30. 1259712
  31. 970299
  32. 778688
  33. 1124864
  34. 985074875
  35. 1259712
  36. 941192
  37. 970299000
  38. 982107784
  39. 1045678375
  40. 970299

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