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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 887 · 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. 1.1008³ =
  2. 2.1008³ =
  3. 3.101³ =
  4. 4.105³ =
  5. 5.992³ =
  6. 6.102³ =
  7. 7.105³ =
  8. 8.990³ =
  9. 9.1002³ =
  10. 10.102³ =
  11. 11.97³ =
  12. 12.93³ =
  13. 13.1007³ =
  14. 14.1008³ =
  15. 15.991³ =
  16. 16.995³ =
  17. 17.106³ =
  18. 18.999³ =
  19. 19.993³ =
  20. 20.991³ =
  21. 21.980³ =
  22. 22.1005³ =
  23. 23.1015³ =
  24. 24.91³ =
  25. 25.94³ =
  26. 26.994³ =
  27. 27.104³ =
  28. 28.102³ =
  29. 29.104³ =
  30. 30.98³ =
  31. 31.999³ =
  32. 32.102³ =
  33. 33.999³ =
  34. 34.101³ =
  35. 35.99³ =
  36. 36.93³ =
  37. 37.1006³ =
  38. 38.1014³ =
  39. 39.102³ =
  40. 40.104³ =

Answer key

  1. 1024192512
  2. 1024192512
  3. 1030301
  4. 1157625
  5. 976191488
  6. 1061208
  7. 1157625
  8. 970299000
  9. 1006012008
  10. 1061208
  11. 912673
  12. 804357
  13. 1021147343
  14. 1024192512
  15. 973242271
  16. 985074875
  17. 1191016
  18. 997002999
  19. 979146657
  20. 973242271
  21. 941192000
  22. 1015075125
  23. 1045678375
  24. 753571
  25. 830584
  26. 982107784
  27. 1124864
  28. 1061208
  29. 1124864
  30. 941192
  31. 997002999
  32. 1061208
  33. 997002999
  34. 1030301
  35. 970299
  36. 804357
  37. 1018108216
  38. 1042590744
  39. 1061208
  40. 1124864

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