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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 732 · 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. 1.103³ =
  2. 2.999³ =
  3. 3.1015³ =
  4. 4.985³ =
  5. 5.102³ =
  6. 6.101³ =
  7. 7.93³ =
  8. 8.99³ =
  9. 9.96³ =
  10. 10.1016³ =
  11. 11.102³ =
  12. 12.103³ =
  13. 13.97³ =
  14. 14.109³ =
  15. 15.1008³ =
  16. 16.992³ =
  17. 17.107³ =
  18. 18.1020³ =
  19. 19.1009³ =
  20. 20.101³ =
  21. 21.109³ =
  22. 22.102³ =
  23. 23.991³ =
  24. 24.99³ =
  25. 25.107³ =
  26. 26.1013³ =
  27. 27.1011³ =
  28. 28.91³ =
  29. 29.103³ =
  30. 30.101³ =
  31. 31.1008³ =
  32. 32.980³ =
  33. 33.101³ =
  34. 34.93³ =
  35. 35.1001³ =
  36. 36.1005³ =
  37. 37.97³ =
  38. 38.97³ =
  39. 39.1015³ =
  40. 40.107³ =

Answer key

  1. 1092727
  2. 997002999
  3. 1045678375
  4. 955671625
  5. 1061208
  6. 1030301
  7. 804357
  8. 970299
  9. 884736
  10. 1048772096
  11. 1061208
  12. 1092727
  13. 912673
  14. 1295029
  15. 1024192512
  16. 976191488
  17. 1225043
  18. 1061208000
  19. 1027243729
  20. 1030301
  21. 1295029
  22. 1061208
  23. 973242271
  24. 970299
  25. 1225043
  26. 1039509197
  27. 1033364331
  28. 753571
  29. 1092727
  30. 1030301
  31. 1024192512
  32. 941192000
  33. 1030301
  34. 804357
  35. 1003003001
  36. 1015075125
  37. 912673
  38. 912673
  39. 1045678375
  40. 1225043

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