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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 380 · 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. 1.102³ =
  2. 2.997³ =
  3. 3.103³ =
  4. 4.1004³ =
  5. 5.93³ =
  6. 6.94³ =
  7. 7.109³ =
  8. 8.99³ =
  9. 9.1005³ =
  10. 10.106³ =
  11. 11.999³ =
  12. 12.94³ =
  13. 13.101³ =
  14. 14.996³ =
  15. 15.93³ =
  16. 16.1017³ =
  17. 17.98³ =
  18. 18.95³ =
  19. 19.108³ =
  20. 20.989³ =
  21. 21.992³ =
  22. 22.104³ =
  23. 23.109³ =
  24. 24.95³ =
  25. 25.101³ =
  26. 26.1016³ =
  27. 27.99³ =
  28. 28.104³ =
  29. 29.94³ =
  30. 30.92³ =
  31. 31.994³ =
  32. 32.108³ =
  33. 33.99³ =
  34. 34.105³ =
  35. 35.1016³ =
  36. 36.99³ =
  37. 37.108³ =
  38. 38.108³ =
  39. 39.1016³ =
  40. 40.101³ =

Answer key

  1. 1061208
  2. 991026973
  3. 1092727
  4. 1012048064
  5. 804357
  6. 830584
  7. 1295029
  8. 970299
  9. 1015075125
  10. 1191016
  11. 997002999
  12. 830584
  13. 1030301
  14. 988047936
  15. 804357
  16. 1051871913
  17. 941192
  18. 857375
  19. 1259712
  20. 967361669
  21. 976191488
  22. 1124864
  23. 1295029
  24. 857375
  25. 1030301
  26. 1048772096
  27. 970299
  28. 1124864
  29. 830584
  30. 778688
  31. 982107784
  32. 1259712
  33. 970299
  34. 1157625
  35. 1048772096
  36. 970299
  37. 1259712
  38. 1259712
  39. 1048772096
  40. 1030301

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