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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 407 · 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. 1.986³ =
  2. 2.108³ =
  3. 3.1008³ =
  4. 4.999³ =
  5. 5.997³ =
  6. 6.94³ =
  7. 7.992³ =
  8. 8.985³ =
  9. 9.106³ =
  10. 10.107³ =
  11. 11.1005³ =
  12. 12.996³ =
  13. 13.102³ =
  14. 14.103³ =
  15. 15.99³ =
  16. 16.104³ =
  17. 17.985³ =
  18. 18.989³ =
  19. 19.1002³ =
  20. 20.997³ =
  21. 21.103³ =
  22. 22.1014³ =
  23. 23.980³ =
  24. 24.997³ =
  25. 25.99³ =
  26. 26.101³ =
  27. 27.97³ =
  28. 28.1016³ =
  29. 29.109³ =
  30. 30.1019³ =
  31. 31.1008³ =
  32. 32.101³ =
  33. 33.102³ =
  34. 34.109³ =
  35. 35.998³ =
  36. 36.96³ =
  37. 37.992³ =
  38. 38.104³ =
  39. 39.995³ =
  40. 40.91³ =

Answer key

  1. 958585256
  2. 1259712
  3. 1024192512
  4. 997002999
  5. 991026973
  6. 830584
  7. 976191488
  8. 955671625
  9. 1191016
  10. 1225043
  11. 1015075125
  12. 988047936
  13. 1061208
  14. 1092727
  15. 970299
  16. 1124864
  17. 955671625
  18. 967361669
  19. 1006012008
  20. 991026973
  21. 1092727
  22. 1042590744
  23. 941192000
  24. 991026973
  25. 970299
  26. 1030301
  27. 912673
  28. 1048772096
  29. 1295029
  30. 1058089859
  31. 1024192512
  32. 1030301
  33. 1061208
  34. 1295029
  35. 994011992
  36. 884736
  37. 976191488
  38. 1124864
  39. 985074875
  40. 753571

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